197 lines
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197 lines
40 KiB
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<mods:title id="6B74DDF9C0792C6DA52C85109C1C72BA">Description of coccoid cyanoprokaryote Nisada stipitata morphogen. et sp. nov. from the supralittoral zone in the tropical Mexican Pacific</mods:title>
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<mods:namePart id="CD8EF56BB268A9CFFFE43E6F74EDB5CA">Gold-Morgan, Michele</mods:namePart>
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<mods:affiliation id="3118B5E4C628BB8FC981C5DCB7823E5C">Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM). Coyoacán, Código Postal 04510, P. O. Box 70 - 474, México, Distrito Federal (D. F.), México</mods:affiliation>
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<mods:namePart id="2C0A2846D1FC17F32A064E48E793E27C">González-Resendiz, Laura</mods:namePart>
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<mods:affiliation id="7C2266EAA46E0D65F7C7AFB63ABA0F37">Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM). Coyoacán, Código Postal 04510, P. O. Box 70 - 474, México, Distrito Federal (D. F.), México & Posgrado en Ciencias Biológicas, Universidad Nacional Autónoma de México (UNAM).</mods:affiliation>
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<mods:namePart id="F1108612399A9C40FE3A969645525A64">León-Tejera, Hilda</mods:namePart>
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<mods:affiliation id="3F2316446FF74BBF64A119A6D0E8BDE7">Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM). Coyoacán, Código Postal 04510, P. O. Box 70 - 474, México, Distrito Federal (D. F.), México</mods:affiliation>
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<mods:namePart id="840045F60AA7C86D85F1C8E1A386BD19">Montejano, Gustavo</mods:namePart>
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<mods:affiliation id="1943E09ED55A9839D581B7911752B896">Departamento de Biología Comparada, Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM). Coyoacán, Código Postal 04510, P. O. Box 70 - 474, México, Distrito Federal (D. F.), México</mods:affiliation>
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<mods:title id="B248DBB4997DD08FEEEEC13939A377BA">Phytotaxa</mods:title>
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<taxonomicName id="4C514D11D344F64E8F9CFD7EFB85FD63" authority="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" authorityName="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" authorityYear="2015" box="[136,1056,695,722]" class="Cyanobacteriia" family="Pleurocapsaceae" genus="Nisada" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Cyanobacteriales" pageId="2" pageNumber="270" phylum="Cyanobacteria" rank="species" species="stipitata" status="sp. nov.">
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<emphasis id="B925EA80D344F64E8F9CFD7EFE99FD60" bold="true" box="[136,316,695,722]" italics="true" pageId="2" pageNumber="270">Nisada stipitata</emphasis>
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Gold-Morgan, González-Resendiz, León-Tejera
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Montejano
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,
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<emphasis id="B925EA80D344F64E8B27FD71FBE9FD63" bold="true" box="[1075,1100,696,722]" italics="true" pageId="2" pageNumber="270">sp</emphasis>
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.
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<emphasis id="B925EA80D344F64E8B4EFD71FB21FD63" bold="true" box="[1114,1156,696,722]" italics="true" pageId="2" pageNumber="270">nov</emphasis>
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.
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(
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<figureCitation id="136A2A17D344F64E8B8EFD70FAA2FD63" box="[1178,1287,697,722]" captionStart-0="FIGURE 2" captionStart-1="FIGURE 3" captionStart-2="FIGURE 4" captionStart-3="FIGURE 5" captionStart-4="FIGURE 6" captionStartId-0="3.[136,229,1733,1754]" captionStartId-1="4.[136,229,1160,1181]" captionStartId-2="5.[136,229,1227,1248]" captionStartId-3="6.[136,229,1583,1604]" captionStartId-4="6.[136,229,2044,2065]" captionTargetBox-0="[278,1309,190,1707]" captionTargetBox-1="[151,1435,190,1134]" captionTargetBox-2="[284,1411,216,1183]" captionTargetBox-3="[166,1417,1139,1547]" captionTargetBox-4="[166,1416,1650,2006]" captionTargetId-0="figure-17@3.[278,1310,190,1707]" captionTargetId-1="figure-14@4.[151,1436,190,1134]" captionTargetId-2="figure-17@5.[151,1436,190,1209]" captionTargetId-3="figure-484@6.[151,1436,1124,1558]" captionTargetId-4="figure-496@6.[151,1436,1630,2018]" captionTargetPageId-0="3" captionTargetPageId-1="4" captionTargetPageId-2="5" captionTargetPageId-3="6" captionTargetPageId-4="6" captionText-0="FIGURE 2. Morphology of Nisada stipitata. A. Macroscopic view of partially covered rock (black portion). B. Macroscopic view of strip of biofilm on rock. C. (tv) Pseudofilament apices in fluorescent microscopy. D. (tv) Edge of biofilm with pseudofilaments in a row. E. (tv) Apices of morph 2 before cell division (single arrow) and after division but before separation (double arrow). F. With dying filaments of Kyrthuthrix cf. maculans. G. (tv) Colonial mucilage (single arrow); apices of morphs 1 and 2 and (lv) two morphs 2 (double arrows). H. (tv) Apices of morph 1 with a few pseudofilaments in lv (arrow heads); pad of a complete pseudofilament (white arrow) and colonial mucilage (black arrow). I. (lv) Pseudofilament of morph1 with developed stipe and cups; “horns” (sheath) with synchronous growth (arrows). Daughter much larger than mother cell.J. (lv) Pseudofilament of morph 1 without pad (base of stipe, arrow). K. (lv) Pseudofilament of morph 1 showing “horns” (sheath) with asynchronous growth (arrows). L, M. Diversity of morphology of morph 1. Micrographs D–M with light microscopy. tv = top view, lv = lateral view. Scale bars: A = 1 mm, B = 200 μm, C = 25 μm, D–H, J, L = 6 μm I, K, M = 3 μm." captionText-1="FIGURE 3. Stages of reproduction of Nisada stipitata in lateral view. A. (lv) Two pseudofilaments of morph 1 with and without cell division; perpendicular plane of division evident in left pseudofilament. B. Two-celled pseudofilament of morph 1 with beginning of perpendicular cell division of the daughter cell (top arrow);displaced basal/mother cell allowing partial viewof the inside of the cup(bottom arrow). C. (lv) Two pseudofilaments of morph 1. Three-celled pseudofilament with fracture (arrow). D. (lv) Complete pseudofilament of morph 2 with division of daughter cell. E, F. Diversity of stages of the life cycle of morph 1. Pseudofilaments with all or some of the differentiated mucilaginous structures. Basal cell with incipient cup (arrow). G. (lv) Empty cups/stipes set in the colonial mucilage (arrows). H. (lv) Basal cells with different degrees of development, set in colonial mucilage. Scale bars: A–E = 3 μm, F–H = 6 μm." captionText-2="FIGURE 4. (lv) Line drawings of Nisada stipitata. A. Edge of biofilm with pseudofilaments in a row. B. Complete pseudofilament of morph 1. C. Complete pseudofilament of morph 2. Ps = pseudofilament sheath, dc = daughter cell, c = cup, mc = mother cell, st = stipe," captionText-3="FIGURE 5. Line drawing of life cycle of morph 1." captionText-4="FIGURE 6. Line drawing of life cycle of morph 2" figureDoi-0="http://doi.org/10.5281/zenodo.13634876" figureDoi-1="http://doi.org/10.5281/zenodo.13634878" figureDoi-2="http://doi.org/10.5281/zenodo.13634880" figureDoi-3="http://doi.org/10.5281/zenodo.13634882" figureDoi-4="http://doi.org/10.5281/zenodo.13634884" httpUri-0="https://zenodo.org/record/13634876/files/figure.png" httpUri-1="https://zenodo.org/record/13634878/files/figure.png" httpUri-2="https://zenodo.org/record/13634880/files/figure.png" httpUri-3="https://zenodo.org/record/13634882/files/figure.png" httpUri-4="https://zenodo.org/record/13634884/files/figure.png" pageId="2" pageNumber="270">Figs. 2–6</figureCitation>
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)
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<paragraph id="8BEE3692D344F64E8F9CFCCDFBA1FB14" blockId="2.[136,1452,772,1297]" pageId="2" pageNumber="270">
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Epilithic colonies of up to
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in height. Biofilm formed by a colony of parallel, erect, short pseudofilaments of a maximum of three cells. From top view, colonies seen as composed of black round or oval cells which are pseudofilament apices: single (morph
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<figureCitation id="136A2A17D344F64E8FA9FC85FEEAFCD0" box="[189,335,844,865]" captionStart="FIGURE 2" captionStartId="3.[136,229,1733,1754]" captionTargetBox="[278,1309,190,1707]" captionTargetId="figure-17@3.[278,1310,190,1707]" captionTargetPageId="3" captionText="FIGURE 2. Morphology of Nisada stipitata. A. Macroscopic view of partially covered rock (black portion). B. Macroscopic view of strip of biofilm on rock. C. (tv) Pseudofilament apices in fluorescent microscopy. D. (tv) Edge of biofilm with pseudofilaments in a row. E. (tv) Apices of morph 2 before cell division (single arrow) and after division but before separation (double arrow). F. With dying filaments of Kyrthuthrix cf. maculans. G. (tv) Colonial mucilage (single arrow); apices of morphs 1 and 2 and (lv) two morphs 2 (double arrows). H. (tv) Apices of morph 1 with a few pseudofilaments in lv (arrow heads); pad of a complete pseudofilament (white arrow) and colonial mucilage (black arrow). I. (lv) Pseudofilament of morph1 with developed stipe and cups; “horns” (sheath) with synchronous growth (arrows). Daughter much larger than mother cell.J. (lv) Pseudofilament of morph 1 without pad (base of stipe, arrow). K. (lv) Pseudofilament of morph 1 showing “horns” (sheath) with asynchronous growth (arrows). L, M. Diversity of morphology of morph 1. Micrographs D–M with light microscopy. tv = top view, lv = lateral view. Scale bars: A = 1 mm, B = 200 μm, C = 25 μm, D–H, J, L = 6 μm I, K, M = 3 μm." figureDoi="http://doi.org/10.5281/zenodo.13634876" httpUri="https://zenodo.org/record/13634876/files/figure.png" pageId="2" pageNumber="270">Figs. 2G and H</figureCitation>
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) or in pairs (morph
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<figureCitation id="136A2A17D344F64E8D2CFC85FD6CFCD0" box="[568,713,844,865]" captionStart="FIGURE 2" captionStartId="3.[136,229,1733,1754]" captionTargetBox="[278,1309,190,1707]" captionTargetId="figure-17@3.[278,1310,190,1707]" captionTargetPageId="3" captionText="FIGURE 2. Morphology of Nisada stipitata. A. Macroscopic view of partially covered rock (black portion). B. Macroscopic view of strip of biofilm on rock. C. (tv) Pseudofilament apices in fluorescent microscopy. D. (tv) Edge of biofilm with pseudofilaments in a row. E. (tv) Apices of morph 2 before cell division (single arrow) and after division but before separation (double arrow). F. With dying filaments of Kyrthuthrix cf. maculans. G. (tv) Colonial mucilage (single arrow); apices of morphs 1 and 2 and (lv) two morphs 2 (double arrows). H. (tv) Apices of morph 1 with a few pseudofilaments in lv (arrow heads); pad of a complete pseudofilament (white arrow) and colonial mucilage (black arrow). I. (lv) Pseudofilament of morph1 with developed stipe and cups; “horns” (sheath) with synchronous growth (arrows). Daughter much larger than mother cell.J. (lv) Pseudofilament of morph 1 without pad (base of stipe, arrow). K. (lv) Pseudofilament of morph 1 showing “horns” (sheath) with asynchronous growth (arrows). L, M. Diversity of morphology of morph 1. Micrographs D–M with light microscopy. tv = top view, lv = lateral view. Scale bars: A = 1 mm, B = 200 μm, C = 25 μm, D–H, J, L = 6 μm I, K, M = 3 μm." figureDoi="http://doi.org/10.5281/zenodo.13634876" httpUri="https://zenodo.org/record/13634876/files/figure.png" pageId="2" pageNumber="270">Figs. 2E and G</figureCitation>
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). In lateral view, pseudofilaments with
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of mucilaginous structures visible: pad, stipe and cup, as cited in the generic description. Pseudofilaments enveloped by individual grayish-black, thin, firm or slightly diffluent sheaths (
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). Stipe with rigid mucilage, straight, conical or an inverted cone, with alternating horizontal dark and light stripes or bands; top of stipe with a black, cup- or bullhorn-shaped mucilaginous structure (
|
||
<figureCitation id="136A2A17D344F64E8B82FC71FAA7FC7C" box="[1174,1282,952,973]" captionStart="FIGURE 2" captionStartId="3.[136,229,1733,1754]" captionTargetBox="[278,1309,190,1707]" captionTargetId="figure-17@3.[278,1310,190,1707]" captionTargetPageId="3" captionText="FIGURE 2. Morphology of Nisada stipitata. A. Macroscopic view of partially covered rock (black portion). B. Macroscopic view of strip of biofilm on rock. C. (tv) Pseudofilament apices in fluorescent microscopy. D. (tv) Edge of biofilm with pseudofilaments in a row. E. (tv) Apices of morph 2 before cell division (single arrow) and after division but before separation (double arrow). F. With dying filaments of Kyrthuthrix cf. maculans. G. (tv) Colonial mucilage (single arrow); apices of morphs 1 and 2 and (lv) two morphs 2 (double arrows). H. (tv) Apices of morph 1 with a few pseudofilaments in lv (arrow heads); pad of a complete pseudofilament (white arrow) and colonial mucilage (black arrow). I. (lv) Pseudofilament of morph1 with developed stipe and cups; “horns” (sheath) with synchronous growth (arrows). Daughter much larger than mother cell.J. (lv) Pseudofilament of morph 1 without pad (base of stipe, arrow). K. (lv) Pseudofilament of morph 1 showing “horns” (sheath) with asynchronous growth (arrows). L, M. Diversity of morphology of morph 1. Micrographs D–M with light microscopy. tv = top view, lv = lateral view. Scale bars: A = 1 mm, B = 200 μm, C = 25 μm, D–H, J, L = 6 μm I, K, M = 3 μm." figureDoi="http://doi.org/10.5281/zenodo.13634876" httpUri="https://zenodo.org/record/13634876/files/figure.png" pageId="2" pageNumber="270">Figs. 2I, G</figureCitation>
|
||
;
|
||
<figureCitation id="136A2A17D344F64E8A18FC71FA8EFC7C" box="[1292,1323,952,973]" captionStart="FIGURE 3" captionStartId="4.[136,229,1160,1181]" captionTargetBox="[151,1435,190,1134]" captionTargetId="figure-14@4.[151,1436,190,1134]" captionTargetPageId="4" captionText="FIGURE 3. Stages of reproduction of Nisada stipitata in lateral view. A. (lv) Two pseudofilaments of morph 1 with and without cell division; perpendicular plane of division evident in left pseudofilament. B. Two-celled pseudofilament of morph 1 with beginning of perpendicular cell division of the daughter cell (top arrow);displaced basal/mother cell allowing partial viewof the inside of the cup(bottom arrow). C. (lv) Two pseudofilaments of morph 1. Three-celled pseudofilament with fracture (arrow). D. (lv) Complete pseudofilament of morph 2 with division of daughter cell. E, F. Diversity of stages of the life cycle of morph 1. Pseudofilaments with all or some of the differentiated mucilaginous structures. Basal cell with incipient cup (arrow). G. (lv) Empty cups/stipes set in the colonial mucilage (arrows). H. (lv) Basal cells with different degrees of development, set in colonial mucilage. Scale bars: A–E = 3 μm, F–H = 6 μm." figureDoi="http://doi.org/10.5281/zenodo.13634878" httpUri="https://zenodo.org/record/13634878/files/figure.png" pageId="2" pageNumber="270">3C</figureCitation>
|
||
;
|
||
<figureCitation id="136A2A17D344F64E8A22FC71FACAFC7C" box="[1334,1391,952,973]" captionStart="FIGURE 4" captionStartId="5.[136,229,1227,1248]" captionTargetBox="[284,1411,216,1183]" captionTargetId="figure-17@5.[151,1436,190,1209]" captionTargetPageId="5" captionText="FIGURE 4. (lv) Line drawings of Nisada stipitata. A. Edge of biofilm with pseudofilaments in a row. B. Complete pseudofilament of morph 1. C. Complete pseudofilament of morph 2. Ps = pseudofilament sheath, dc = daughter cell, c = cup, mc = mother cell, st = stipe," figureDoi="http://doi.org/10.5281/zenodo.13634880" httpUri="https://zenodo.org/record/13634880/files/figure.png" pageId="2" pageNumber="270">4B, C</figureCitation>
|
||
). Cell content smooth, without granules, colorless or with an irregular brownish pattern (
|
||
<figureCitation id="136A2A17D344F64E8CDBFC15FB9BFC40" box="[975,1086,988,1009]" captionStart="FIGURE 2" captionStartId="3.[136,229,1733,1754]" captionTargetBox="[278,1309,190,1707]" captionTargetId="figure-17@3.[278,1310,190,1707]" captionTargetPageId="3" captionText="FIGURE 2. Morphology of Nisada stipitata. A. Macroscopic view of partially covered rock (black portion). B. Macroscopic view of strip of biofilm on rock. C. (tv) Pseudofilament apices in fluorescent microscopy. D. (tv) Edge of biofilm with pseudofilaments in a row. E. (tv) Apices of morph 2 before cell division (single arrow) and after division but before separation (double arrow). F. With dying filaments of Kyrthuthrix cf. maculans. G. (tv) Colonial mucilage (single arrow); apices of morphs 1 and 2 and (lv) two morphs 2 (double arrows). H. (tv) Apices of morph 1 with a few pseudofilaments in lv (arrow heads); pad of a complete pseudofilament (white arrow) and colonial mucilage (black arrow). I. (lv) Pseudofilament of morph1 with developed stipe and cups; “horns” (sheath) with synchronous growth (arrows). Daughter much larger than mother cell.J. (lv) Pseudofilament of morph 1 without pad (base of stipe, arrow). K. (lv) Pseudofilament of morph 1 showing “horns” (sheath) with asynchronous growth (arrows). L, M. Diversity of morphology of morph 1. Micrographs D–M with light microscopy. tv = top view, lv = lateral view. Scale bars: A = 1 mm, B = 200 μm, C = 25 μm, D–H, J, L = 6 μm I, K, M = 3 μm." figureDoi="http://doi.org/10.5281/zenodo.13634876" httpUri="https://zenodo.org/record/13634876/files/figure.png" pageId="2" pageNumber="270">Figs. 2I, K</figureCitation>
|
||
;
|
||
<figureCitation id="136A2A17D344F64E8B5CFC15FB26FC40" box="[1096,1155,988,1009]" captionStart="FIGURE 3" captionStartId="4.[136,229,1160,1181]" captionTargetBox="[151,1435,190,1134]" captionTargetId="figure-14@4.[151,1436,190,1134]" captionTargetPageId="4" captionText="FIGURE 3. Stages of reproduction of Nisada stipitata in lateral view. A. (lv) Two pseudofilaments of morph 1 with and without cell division; perpendicular plane of division evident in left pseudofilament. B. Two-celled pseudofilament of morph 1 with beginning of perpendicular cell division of the daughter cell (top arrow);displaced basal/mother cell allowing partial viewof the inside of the cup(bottom arrow). C. (lv) Two pseudofilaments of morph 1. Three-celled pseudofilament with fracture (arrow). D. (lv) Complete pseudofilament of morph 2 with division of daughter cell. E, F. Diversity of stages of the life cycle of morph 1. Pseudofilaments with all or some of the differentiated mucilaginous structures. Basal cell with incipient cup (arrow). G. (lv) Empty cups/stipes set in the colonial mucilage (arrows). H. (lv) Basal cells with different degrees of development, set in colonial mucilage. Scale bars: A–E = 3 μm, F–H = 6 μm." figureDoi="http://doi.org/10.5281/zenodo.13634878" httpUri="https://zenodo.org/record/13634878/files/figure.png" pageId="2" pageNumber="270">3A, E</figureCitation>
|
||
). Cell shape diverse: spherical, hemispherical, quadrate, clavate, ovate, obovate, elongate or an inverted cone (
|
||
<figureCitation id="136A2A17D344F64E8CABFBC9FB93FBA4" box="[959,1078,1024,1045]" captionStart="FIGURE 2" captionStartId="3.[136,229,1733,1754]" captionTargetBox="[278,1309,190,1707]" captionTargetId="figure-17@3.[278,1310,190,1707]" captionTargetPageId="3" captionText="FIGURE 2. Morphology of Nisada stipitata. A. Macroscopic view of partially covered rock (black portion). B. Macroscopic view of strip of biofilm on rock. C. (tv) Pseudofilament apices in fluorescent microscopy. D. (tv) Edge of biofilm with pseudofilaments in a row. E. (tv) Apices of morph 2 before cell division (single arrow) and after division but before separation (double arrow). F. With dying filaments of Kyrthuthrix cf. maculans. G. (tv) Colonial mucilage (single arrow); apices of morphs 1 and 2 and (lv) two morphs 2 (double arrows). H. (tv) Apices of morph 1 with a few pseudofilaments in lv (arrow heads); pad of a complete pseudofilament (white arrow) and colonial mucilage (black arrow). I. (lv) Pseudofilament of morph1 with developed stipe and cups; “horns” (sheath) with synchronous growth (arrows). Daughter much larger than mother cell.J. (lv) Pseudofilament of morph 1 without pad (base of stipe, arrow). K. (lv) Pseudofilament of morph 1 showing “horns” (sheath) with asynchronous growth (arrows). L, M. Diversity of morphology of morph 1. Micrographs D–M with light microscopy. tv = top view, lv = lateral view. Scale bars: A = 1 mm, B = 200 μm, C = 25 μm, D–H, J, L = 6 μm I, K, M = 3 μm." figureDoi="http://doi.org/10.5281/zenodo.13634876" httpUri="https://zenodo.org/record/13634876/files/figure.png" pageId="2" pageNumber="270">Figs. 2L, M</figureCitation>
|
||
;
|
||
<figureCitation id="136A2A17D344F64E8B55FBC9FBDCFBA4" box="[1089,1145,1024,1045]" captionStart="FIGURE 3" captionStartId="4.[136,229,1160,1181]" captionTargetBox="[151,1435,190,1134]" captionTargetId="figure-14@4.[151,1436,190,1134]" captionTargetPageId="4" captionText="FIGURE 3. Stages of reproduction of Nisada stipitata in lateral view. A. (lv) Two pseudofilaments of morph 1 with and without cell division; perpendicular plane of division evident in left pseudofilament. B. Two-celled pseudofilament of morph 1 with beginning of perpendicular cell division of the daughter cell (top arrow);displaced basal/mother cell allowing partial viewof the inside of the cup(bottom arrow). C. (lv) Two pseudofilaments of morph 1. Three-celled pseudofilament with fracture (arrow). D. (lv) Complete pseudofilament of morph 2 with division of daughter cell. E, F. Diversity of stages of the life cycle of morph 1. Pseudofilaments with all or some of the differentiated mucilaginous structures. Basal cell with incipient cup (arrow). G. (lv) Empty cups/stipes set in the colonial mucilage (arrows). H. (lv) Basal cells with different degrees of development, set in colonial mucilage. Scale bars: A–E = 3 μm, F–H = 6 μm." figureDoi="http://doi.org/10.5281/zenodo.13634878" httpUri="https://zenodo.org/record/13634878/files/figure.png" pageId="2" pageNumber="270">3E, F</figureCitation>
|
||
). Reproductive cells formed by binary fission. In morph 1, one or two daughter cells are released at a time; in morph 2, the two reproductive upper cells are released at a time. Dimensions: morph 1: pseudofilaments up to 7 μm (length); basal cells 0.5–3.0 × 1.0–2.5 μm (l × w); daughter cells 1.5–3.0 × 1.0–2.5 μm (l × w); in top view cells 1.0–2.5 μm (diameter). Morph 2: pseudofilaments up to 6 μm (length); basal cell 2.0–2.5 × 2.0 μm (l × w); daughter cells 3.0 × 1.5–2.0 μm (l × w); in top view 3.0 μm (diameter).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34B6519D344F64E8F9CFB7DFB97FAA0" pageId="2" pageNumber="270" type="materials_examined">
|
||
<paragraph id="8BEE3692D344F64E8F9CFB7DFB97FAA0" blockId="2.[136,1452,772,1297]" pageId="2" pageNumber="270">
|
||
<emphasis id="B925EA80D344F64E8F9CFB7DFF7FFB78" bold="true" box="[136,218,1204,1225]" pageId="2" pageNumber="270">Type:—</emphasis>
|
||
<collectingCountry id="F3467602D344F64E8FCEFB7DFE99FB78" box="[218,316,1204,1225]" name="Mexico" pageId="2" pageNumber="270">MEXICO</collectingCountry>
|
||
.
|
||
<collectingRegion id="4995F870D344F64E8E52FB7DFE37FB78" box="[326,402,1204,1225]" country="Mexico" name="Oaxaca" pageId="2" pageNumber="270">Oaxaca</collectingRegion>
|
||
: San Agustín, insolated plateau of granitic cliff
|
||
<quantity id="4CA99B77D344F64E8C71FB7DFC2EFB78" box="[869,907,1204,1225]" metricMagnitude="0" metricUnit="m" metricValue="7.0" pageId="2" pageNumber="270" unit="m" value="7.0">7 m</quantity>
|
||
a.s.l., off marine tropical shore not exposed directly to wave shock, but only receiving intermittent spray,
|
||
<geoCoordinate id="EE655055D344F64E8DBEFB11FCF7FB5C" box="[682,850,1240,1261]" degrees="15" direction="north" minutes="41" orientation="latitude" pageId="2" pageNumber="270" precision="1" seconds="17.41" value="15.6881695">15° 41’ 17.41” N</geoCoordinate>
|
||
,
|
||
<geoCoordinate id="EE655055D344F64E8C49FB11FBACFB5C" box="[861,1033,1240,1261]" degrees="96" direction="west" minutes="14" orientation="longitude" pageId="2" pageNumber="270" precision="1" seconds="15.28" value="-96.23757">96° 14’ 15.28” W</geoCoordinate>
|
||
,
|
||
<emphasis id="B925EA80D344F64E8B07FB11FAFBFB5C" box="[1043,1374,1240,1261]" italics="true" pageId="2" pageNumber="270">González-Resendiz & León-Tejera</emphasis>
|
||
,
|
||
<emphasis id="B925EA80D344F64E8A7FFB11FE86FAA0" italics="true" pageId="2" pageNumber="270">
|
||
<date id="FFEF1052D344F64E8A7FFB11FF48FAA0" pageId="2" pageNumber="270" value="2010-12-02">02-12- 2010</date>
|
||
(C59
|
||
</emphasis>
|
||
,
|
||
<emphasis id="B925EA80D344F64E8E3BFB35FEFAFAA0" box="[303,351,1276,1297]" italics="true" pageId="2" pageNumber="270">C61)</emphasis>
|
||
,
|
||
<emphasis id="B925EA80D344F64E8E7FFB35FD80FAA0" box="[363,549,1276,1297]" italics="true" pageId="2" pageNumber="270">
|
||
<date id="FFEF1052D344F64E8E7FFB35FE79FAA0" box="[363,476,1276,1297]" pageId="2" pageNumber="270" value="2012-10-03">03-10-2012</date>
|
||
(C701)
|
||
</emphasis>
|
||
(
|
||
<typeStatus id="54EA8830D344F64E8D26FB35FD2DFAA0" box="[562,648,1276,1297]" pageId="2" pageNumber="270" type="holotype">holotype</typeStatus>
|
||
<collectionCode id="ED40AE57D344F64E8D99FB35FD71FAA0" box="[653,724,1276,1297]" country="Mexico" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15515" lsid="urn:lsid:biocol.org:col:15515" name="Universidad Nacional Autónoma de México, Ciudad Universitaria" pageId="2" pageNumber="270" type="Herbarium">FCME</collectionCode>
|
||
! C59,
|
||
<typeStatus id="54EA8830D344F64E8C05FB35FCC5FAA0" box="[785,864,1276,1297]" pageId="2" pageNumber="270" type="isotype">isotypes</typeStatus>
|
||
<collectionCode id="ED40AE57D344F64E8C71FB35FC0BFAA0" box="[869,942,1276,1297]" country="Mexico" httpUri="http://biocol.org/urn:lsid:biocol.org:col:15515" lsid="urn:lsid:biocol.org:col:15515" name="Universidad Nacional Autónoma de México, Ciudad Universitaria" pageId="2" pageNumber="270" type="Herbarium">FCME</collectionCode>
|
||
!, C61, C701).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34B6519D344F64E8F9CFA88FD56F8C7" pageId="2" pageNumber="270" type="etymology">
|
||
<paragraph id="8BEE3692D344F64E8F9CFA88FD2EFAEB" blockId="2.[136,1452,1345,1910]" box="[136,651,1345,1370]" pageId="2" pageNumber="270">
|
||
<emphasis id="B925EA80D344F64E8F9CFA88FEACFAEB" bold="true" box="[136,265,1345,1370]" pageId="2" pageNumber="270">Etymology</emphasis>
|
||
:—from Latin
|
||
<taxonomicName id="4C514D11D344F64E8EB8FA88FDADFAEB" authorityName="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" authorityYear="2015" box="[428,520,1345,1370]" class="Cyanobacteriia" family="Pleurocapsaceae" genus="Nisada" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Cyanobacteriales" pageId="2" pageNumber="270" phylum="Cyanobacteria" rank="species" species="stipitata">
|
||
<emphasis id="B925EA80D344F64E8EB8FA88FDADFAEB" box="[428,520,1345,1370]" italics="true" pageId="2" pageNumber="270">stipitata</emphasis>
|
||
</taxonomicName>
|
||
=‘stipitate’.
|
||
</paragraph>
|
||
<paragraph id="8BEE3692D344F64E8FA9FAACFBB3FA5B" blockId="2.[136,1452,1345,1910]" pageId="2" pageNumber="270">
|
||
<emphasis id="B925EA80D344F64E8FA9FAACFEC0FACF" bold="true" box="[189,357,1381,1406]" pageId="2" pageNumber="270">Observations:</emphasis>
|
||
—The basic pseudofilament morphology in
|
||
<taxonomicName id="4C514D11D344F64E8C42FAACFC00FACF" box="[854,933,1381,1406]" class="Cyanobacteriia" family="Pleurocapsaceae" genus="Nisada" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Cyanobacteriales" pageId="2" pageNumber="270" phylum="Cyanobacteria" rank="genus">
|
||
<emphasis id="B925EA80D344F64E8C42FAACFC00FACF" box="[854,933,1381,1406]" italics="true" pageId="2" pageNumber="270">Nisada</emphasis>
|
||
</taxonomicName>
|
||
has many variants due to the way the cup and stipe develop and to the growth process of the pseudofilament. The cup begins as a narrow horizontal band which increases in width and each ‘horn’ seems to grow upwards (
|
||
<figureCitation id="136A2A17D344F64E8C29FA64FC19FA77" box="[829,956,1453,1478]" captionStart="FIGURE 2" captionStartId="3.[136,229,1733,1754]" captionTargetBox="[278,1309,190,1707]" captionTargetId="figure-17@3.[278,1310,190,1707]" captionTargetPageId="3" captionText="FIGURE 2. Morphology of Nisada stipitata. A. Macroscopic view of partially covered rock (black portion). B. Macroscopic view of strip of biofilm on rock. C. (tv) Pseudofilament apices in fluorescent microscopy. D. (tv) Edge of biofilm with pseudofilaments in a row. E. (tv) Apices of morph 2 before cell division (single arrow) and after division but before separation (double arrow). F. With dying filaments of Kyrthuthrix cf. maculans. G. (tv) Colonial mucilage (single arrow); apices of morphs 1 and 2 and (lv) two morphs 2 (double arrows). H. (tv) Apices of morph 1 with a few pseudofilaments in lv (arrow heads); pad of a complete pseudofilament (white arrow) and colonial mucilage (black arrow). I. (lv) Pseudofilament of morph1 with developed stipe and cups; “horns” (sheath) with synchronous growth (arrows). Daughter much larger than mother cell.J. (lv) Pseudofilament of morph 1 without pad (base of stipe, arrow). K. (lv) Pseudofilament of morph 1 showing “horns” (sheath) with asynchronous growth (arrows). L, M. Diversity of morphology of morph 1. Micrographs D–M with light microscopy. tv = top view, lv = lateral view. Scale bars: A = 1 mm, B = 200 μm, C = 25 μm, D–H, J, L = 6 μm I, K, M = 3 μm." figureDoi="http://doi.org/10.5281/zenodo.13634876" httpUri="https://zenodo.org/record/13634876/files/figure.png" pageId="2" pageNumber="270">Figs. 2I, K</figureCitation>
|
||
) until the two join. Different stages of this apparently upwards growth can be seen in lateral view as longer or shorter horns.
|
||
</paragraph>
|
||
<paragraph id="8BEE3692D344F64E8FA9FA3CFED9F973" blockId="2.[136,1452,1345,1910]" pageId="2" pageNumber="270">
|
||
Pseudofilament heteropolarity in
|
||
<taxonomicName id="4C514D11D344F64E8D55FA3CFD67F9BF" authorityName="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" authorityYear="2015" box="[577,706,1525,1550]" class="Cyanobacteriia" family="Pleurocapsaceae" genus="Nisada" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Cyanobacteriales" pageId="2" pageNumber="270" phylum="Cyanobacteria" rank="species" species="stipitata">
|
||
<emphasis id="B925EA80D344F64E8D55FA3CFDF1F9BF" box="[577,596,1525,1550]" italics="true" pageId="2" pageNumber="270">N</emphasis>
|
||
.
|
||
<emphasis id="B925EA80D344F64E8D72FA3CFD67F9BF" box="[614,706,1525,1550]" italics="true" pageId="2" pageNumber="270">stipitata</emphasis>
|
||
</taxonomicName>
|
||
is expressed shortly after a cell enters in direct contact with a substrate, as in other heteropolar coccoid species, but also after every division of a non basal cell it produces a cup and stipe, or at least a cup, before being released. Even when the division of the first daughter cell occurs lengthwise, there is a cup and stipe between the basal mother cell and the two daughter cells. This ‘stronger version’ of heteropolarity of
|
||
<taxonomicName id="4C514D11D344F64E8F9CF94CFEA0F92F" authorityName="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" authorityYear="2015" box="[136,261,1669,1694]" class="Cyanobacteriia" family="Pleurocapsaceae" genus="Nisada" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Cyanobacteriales" pageId="2" pageNumber="270" phylum="Cyanobacteria" rank="species" species="stipitata">
|
||
<emphasis id="B925EA80D344F64E8F9CF94CFF3EF92F" box="[136,155,1669,1694]" italics="true" pageId="2" pageNumber="270">N</emphasis>
|
||
.
|
||
<emphasis id="B925EA80D344F64E8FBDF94CFEA0F92F" box="[169,261,1669,1694]" italics="true" pageId="2" pageNumber="270">stipitata</emphasis>
|
||
</taxonomicName>
|
||
is associated with the basal part of each cell, whether in contact with an external substrate or another cell of its pseudofilament.
|
||
</paragraph>
|
||
<paragraph id="8BEE3692D344F64E8FA9F904FD56F8C7" blockId="2.[136,1452,1345,1910]" pageId="2" pageNumber="270">
|
||
<taxonomicName id="4C514D11D344F64E8FA9F904FED0F957" authorityName="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" authorityYear="2015" box="[189,373,1741,1766]" class="Cyanobacteriia" family="Pleurocapsaceae" genus="Nisada" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Cyanobacteriales" pageId="2" pageNumber="270" phylum="Cyanobacteria" rank="species" species="stipitata">
|
||
<emphasis id="B925EA80D344F64E8FA9F904FED0F957" box="[189,373,1741,1766]" italics="true" pageId="2" pageNumber="270">Nisada stipitata</emphasis>
|
||
</taxonomicName>
|
||
is very stable regarding the number of cells of the pseudofilament and the presence of its differentiated mucilaginous features; but it is also morphologically quite diverse. Three factors contribute to its variability, aside from that due to the development of the cup-stipe: 1) cell growth in different length/ width proportions, between and within pseudofilaments; 2) cell size reached before division or release; and 3) the possibility of two alternative planes of division of the first daughter cells.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |