153 lines
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153 lines
35 KiB
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<mods:title id="9C42C4BEF62715A12EAD164E3636ABB7">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="A54D433E99D97E9D4C67CD55551624D9">Gold-Morgan, Michele</mods:namePart>
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<mods:affiliation id="793BF18EBB776B377C038B92C40571ED">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="87639358C2C907ABF95BC99416B8504F">González-Resendiz, Laura</mods:namePart>
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<mods:affiliation id="88EB598E54869C02D955663E8B33F326">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="FAD2A7FDDA5160F8432EA4F118CFD085">León-Tejera, Hilda</mods:namePart>
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<mods:affiliation id="2B3CA809DCFDBA2596FF63CD23DF5BB2">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="9931CA8C7B61EAE4A81FE2799C57B58A">Montejano, Gustavo</mods:namePart>
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<mods:affiliation id="35FE6A9AF7E8F48996F1811B670B2AA3">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="5CD131972FA15E7FD78A94F2B1AD89ED">Phytotaxa</mods:title>
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<heading id="D0A681FED347F64D8F9CF8F2FAB5F8E6" bold="true" box="[136,1296,1851,1879]" fontSize="11" level="1" pageId="1" pageNumber="269" reason="1">
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<taxonomicName id="4C514D11D347F64D8F9CF8F2FC18F8E6" authority="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" authorityName="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" box="[136,957,1851,1879]" class="Cyanobacteriia" family="Pleurocapsaceae" genus="Nisada" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Cyanobacteriales" pageId="1" pageNumber="269" phylum="Cyanobacteria" rank="genus">
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<emphasis id="B925EA80D347F64D8F9CF8F2FF7CF8E7" bold="true" box="[136,217,1851,1878]" italics="true" pageId="1" pageNumber="269">Nisada</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="B925EA80D347F64D8CDDF8F2FBE8F8E7" bold="true" box="[969,1101,1851,1878]" italics="true" pageId="1" pageNumber="269">morphogen</emphasis>
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.
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<emphasis id="B925EA80D347F64D8B48F8F5FB23F8E7" bold="true" box="[1116,1158,1852,1878]" italics="true" pageId="1" pageNumber="269">nov</emphasis>
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. (
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<figureCitation id="136A2A17D347F64D8B88F8F7FAADF8E6" box="[1180,1288,1854,1879]" 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="1" pageNumber="269">Figs. 2–6</figureCitation>
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)
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</emphasis>
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</paragraph>
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<paragraph id="8BEE3692D347F64E8F9CF841FB24FE48" blockId="1.[136,1453,1928,2057]" lastBlockId="2.[136,1452,160,541]" lastPageId="2" lastPageNumber="270" pageId="1" pageNumber="269">
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Biofilm composed of a continuous and homogeneously structured mucilaginous, one-layered colony, sometimes mixed with other cyanoprokaryotes (
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<figureCitation id="136A2A17D347F64D8E60F865FE42F870" box="[372,487,1964,1985]" 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="1" pageNumber="269">Figs. 2A–G</figureCitation>
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;
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<figureCitation id="136A2A17D347F64D8EE4F865FDAAF870" box="[496,527,1964,1985]" 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="1" pageNumber="269">4A</figureCitation>
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) made up of densely, parallelly arranged, polarized unicells to pseudofilaments (
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<figureCitation id="136A2A17D347F64D8A19F865FA38F870" box="[1293,1437,1964,1985]" 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="1" pageNumber="269">Figs. 2D, H–M</figureCitation>
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). Basal and non-basal cells of the pseudofilament with differentiated mucilaginous structures: basal pad, stipe and cup-like structure (
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<figureCitation id="136A2A17D347F64D8FD0F83DFE90F7B8" box="[196,309,2036,2057]" 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="1" pageNumber="269">Figs. 2I–M</figureCitation>
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;
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<figureCitation id="136A2A17D347F64D8E54F83DFEDEF7B8" box="[320,379,2036,2057]" 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="1" pageNumber="269">4B, C</figureCitation>
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) (except for the pad which is part only of the basal cell), therefore pseudofilament and each cell heteropolar. Pseudofilaments set individually and vertically in the also mucilaginous, black, thick, rigid, well-delimited colonial sheath visible in top and lateral views (
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<figureCitation id="136A2A17D344F64E8EBFFF0DFD9FFF68" box="[427,570,196,217]" 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, G, H</figureCitation>
|
||
). Basal/mother cell dividing symmetrically in a plane perpendicular to the longitudinal axis of the pseudofilament (
|
||
<figureCitation id="136A2A17D344F64E8E8FFF21FD83FF4C" box="[411,550,232,253]" 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">Figs. 3A, B, F</figureCitation>
|
||
); first daughter cells dividing symmetrically either in a plane perpendicular to the longitudinal axis (morph 1;
|
||
<figureCitation id="136A2A17D344F64E8E44FEC5FE1EFE90" box="[336,443,268,289]" 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">Figs. 3B, F</figureCitation>
|
||
) or parallel to this axis (morph 2;
|
||
<figureCitation id="136A2A17D344F64E8C11FEC5FCEAFE90" box="[773,847,268,289]" 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">Fig. 3D</figureCitation>
|
||
) in pseudofilaments of the same colony; second daughter cells (present only in morph 1) dividing symmetrically in a perpendicular plane (
|
||
<figureCitation id="136A2A17D344F64E8CB9FEF9FC5FFEF4" box="[941,1018,304,325]" 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">Fig. 3B</figureCitation>
|
||
). All daughter cells reproductive and, when released (except the basal/mother cell), fix themselves in the colonial mucilage and begin a new cycle (
|
||
<figureCitation id="136A2A17D344F64E8BAAFE9DFA96FED8" box="[1214,1331,340,361]" 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">Figs. 3E, H</figureCitation>
|
||
). The basal/ mother cell remains and divides again, also initiating a new cycle. In morph 1, first daughter cells either double their size before dividing (
|
||
<figureCitation id="136A2A17D344F64E8E0EFE55FE2DFE00" box="[282,392,412,433]" 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. 2K, L</figureCitation>
|
||
) and are released, or triple it and are then released without dividing (
|
||
<figureCitation id="136A2A17D344F64E8B07FE55FBF3FE00" box="[1043,1110,412,433]" 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">Fig. 2I</figureCitation>
|
||
). In morph 2, the two daughter cells resulting from longitudinal division of the first daughter cell are released after this division. Both morphs are present in the same colony but morph 1 is the most abundant. No morph distribution pattern is apparent within a colony.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34B6519D344F64E8F9CFDC1FB3EFDAC" box="[136,1179,520,541]" pageId="2" pageNumber="270" type="materials_examined">
|
||
<paragraph id="8BEE3692D344F64E8F9CFDC1FB3EFDAC" blockId="2.[136,1452,160,541]" box="[136,1179,520,541]" pageId="2" pageNumber="270">
|
||
<emphasis id="B925EA80D344F64E8F9CFDC1FF67FDAC" bold="true" box="[136,194,520,541]" pageId="2" pageNumber="270">
|
||
<typeStatus id="54EA8830D344F64E8F9CFDC1FF1BFDAC" box="[136,190,520,541]" pageId="2" pageNumber="270">Type</typeStatus>
|
||
:
|
||
</emphasis>
|
||
—
|
||
<taxonomicName id="4C514D11D344F64E8FCEFDC1FC69FDAC" authority="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" authorityName="Gold-Morgan, Gonzalez-Resendiz, Leon-Tejera et Montejano" authorityYear="2015" box="[218,972,520,541]" 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.">
|
||
<emphasis id="B925EA80D344F64E8FCEFDC1FED6FDAC" box="[218,371,520,541]" italics="true" pageId="2" pageNumber="270">Nisada stipitata</emphasis>
|
||
Gold-Morgan, González-Reséndiz, León-Tejera
|
||
<emphasis id="B925EA80D344F64E8C5EFDC1FCFEFDAC" box="[842,859,520,541]" italics="true" pageId="2" pageNumber="270">et</emphasis>
|
||
Montejano
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicNameLabel id="A21657FBD344F64E8CCFFDC1FB80FDAC" box="[987,1061,520,541]" pageId="2" pageNumber="270" rank="species">
|
||
<emphasis id="B925EA80D344F64E8CCFFDC1FC55FDAC" box="[987,1008,520,541]" italics="true" pageId="2" pageNumber="270">sp</emphasis>
|
||
.
|
||
<emphasis id="B925EA80D344F64E8CE9FDC1FB85FDAC" box="[1021,1056,520,541]" italics="true" pageId="2" pageNumber="270">nov</emphasis>
|
||
.
|
||
</taxonomicNameLabel>
|
||
(see below)
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34B6519D344F64E8F9CFD84FA01FDD7" box="[136,1444,589,614]" pageId="2" pageNumber="270" type="etymology">
|
||
<paragraph id="8BEE3692D344F64E8F9CFD84FA01FDD7" blockId="2.[136,1444,589,614]" box="[136,1444,589,614]" pageId="2" pageNumber="270">
|
||
<emphasis id="B925EA80D344F64E8F9CFD84FE8BFDD7" bold="true" box="[136,302,589,614]" pageId="2" pageNumber="270">Etymology:—</emphasis>
|
||
<taxonomicName id="4C514D11D344F64E8E3AFD84FE57FDD7" authority="(Zapotec)" baseAuthorityName="Zapotec" box="[302,498,589,614]" class="Cyanobacteriia" family="Pleurocapsaceae" genus="Nisada" higherTaxonomySource="GBIF" kingdom="Bacteria" order="Cyanobacteriales" pageId="2" pageNumber="270" phylum="Cyanobacteria" rank="genus">
|
||
<emphasis id="B925EA80D344F64E8E3AFD84FED8FDD7" box="[302,381,589,614]" italics="true" pageId="2" pageNumber="270">Nisada</emphasis>
|
||
(Zapotec)
|
||
</taxonomicName>
|
||
= ‘Marine’ (Zapotec is the language spoken by one of the ethnic groups of
|
||
<collectingRegion id="4995F870D344F64E8A2BFD84FA3DFDD7" box="[1343,1432,589,614]" country="Mexico" name="Oaxaca" pageId="2" pageNumber="270">Oaxaca</collectingRegion>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |