<documentid="9F27EAD2926D540588AF619F9854D8FD"ID-DOI="10.11646/phytotaxa.365.1.1"ID-ISSN="1179-3163"ID-Zenodo-Dep="13704923"IM.bibliography_approvedBy="felipe"IM.illustrations_approvedBy="felipe"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.tables_requiresApprovalFor="GgImagineBatch"IM.taxonomicNames_approvedBy="felipe"IM.treatments_approvedBy="felipe"checkinTime="1725584015738"checkinUser="felipe"docAuthor="Mai, Truc, Johansen, Jeffrey R., Pietrasiak, Nicole, Bohunická, Markéta & Martin, Michael P."docDate="2018"docId="03BFDE646C79FF9E009AF95EFEDFFC63"docLanguage="en"docName="phytotaxa.365.1.1.pdf"docOrigin="Phytotaxa 365 (1)"docSource="http://dx.doi.org/10.11646/phytotaxa.365.1.1"docStyle="DocumentStyle:96748F8F1B6C902996E134952A3A36B9.13:Phytotaxa.2014-.journal_article"docStyleId="96748F8F1B6C902996E134952A3A36B9"docStyleName="Phytotaxa.2014-.journal_article"docStyleVersion="13"docTitle="Pegethrix indistincta Mai, Johansen et Bohunicka 2018, sp. nov."docType="treatment"docVersion="2"lastPageNumber="27"masterDocId="FF86A61C6C6EFF840012FFAAFF98FF96"masterDocTitle="Revision of the Synechococcales (Cyanobacteria) through recognition of four families including Oculatellaceae fam. nov. and Trichocoleaceae fam. nov. and six new genera containing 14 species"masterLastPageNumber="59"masterPageNumber="1"pageNumber="24"updateTime="1725596029488"updateUser="ExternalLinkService"zenodo-license-figures="UNSPECIFIED"zenodo-license-treatments="UNSPECIFIED">
<mods:titleid="9A951C9343C0BDD9A6ABD3FA9169259A">Revision of the Synechococcales (Cyanobacteria) through recognition of four families including Oculatellaceae fam. nov. and Trichocoleaceae fam. nov. and six new genera containing 14 species</mods:title>
<mods:affiliationid="BBF65B34DB2418F4B3DB9B15BDB7BEB5">Department of Biology, John Carroll University, 1 John Carroll Blvd., University Heights, Ohio 44118, USA & Department of Plant and Environmental Sciences, New Mexico State University, Skeen Hall Room N 127, P. O Box 30003 MSC 3 Q, Las Cruces, New Mexico 88003, USA.</mods:affiliation>
<mods:affiliationid="E7754C2A7A9BC1E01D40360CB235F236">Department of Biology, John Carroll University, 1 John Carroll Blvd., University Heights, Ohio 44118, USA & Department of Botany, Faculty of Science, University of South Bohemia, 31 Branišovská, 37005 České Budějovice, Czech Republic</mods:affiliation>
<mods:affiliationid="6DD9708F008B5F0EC06EA1643549DCFD">Department of Plant and Environmental Sciences, New Mexico State University, Skeen Hall Room N 127, P. O Box 30003 MSC 3 Q, Las Cruces, New Mexico 88003, USA.</mods:affiliation>
<mods:namePartid="87BF7711B1515C21250810FC3BCB7C42">Martin, Michael P.</mods:namePart>
<mods:affiliationid="8DB3A5B1ADA7709B7AFD81D3B1A1EA0B">Department of Biology, John Carroll University, 1 John Carroll Blvd., University Heights, Ohio 44118, USA</mods:affiliation>
<taxonomicNameid="4C1614F16C79FF93009AF95EFD4BF89B"authority="Mai, Johansen et Bohunicka"authorityName="Mai, Johansen et Bohunicka"authorityYear="2018"box="[136,723,1780,1805]"class="Cyanobacteriia"family="Oculatellaceae"genus="Pegethrix"higherTaxonomySource="GBIF"kingdom="Bacteria"order="Synechococcales"pageId="23"pageNumber="24"phylum="Cyanobacteria"rank="species"species="indistincta"status="sp. nov.">
―Morphologically intermediate between other species, differing in the absence of spiraling and nodule formation; with conserved ITS domains almost identical in shape to D1-D1’ helix of
<taxonomicNameid="4C1614F16C79FF93048EF896FAB5F8C3"authorityName="Mai, Johansen et Bohunicka"authorityYear="2018"box="[1180,1325,1852,1877]"class="Cyanobacteriia"family="Oculatellaceae"genus="Pegethrix"higherTaxonomySource="GBIF"kingdom="Bacteria"order="Synechococcales"pageId="23"pageNumber="24"phylum="Cyanobacteria"rank="species"species="convoluta">
<figureCitationid="132D73F76C79FF930556F896FA06F8C3"box="[1348,1438,1852,1877]"captionStart="FIGURE 6"captionStartId="15.[136,229,1976,1997]"captionTargetBox="[157,1425,273,1857]"captionTargetId="figure-14@15.[151,1436,267,1882]"captionTargetPageId="15"captionText="FIGURE 6. D1-D1’ stems of species described in Oculatellaceae.The stem structures of genera described previously in other publications (Oculatella, Thermoleptolyngbya, Timaviella) or in publications under provision (Trichotorquatus) are not shown here."figureDoi="http://doi.org/10.5281/zenodo.13704935"httpUri="https://zenodo.org/record/13704935/files/figure.png"pageId="23"pageNumber="24">Fig. 6d</figureCitation>
). Distinguishable from this species in the adenine residue opposite the basal 3’ unilateral bulge of the D1-D1’ helix and sequence from position 1–15/69–90 (
<figureCitationid="132D73F76C79FF93023BF82EFD10F80B"box="[553,648,1924,1949]"captionStart="FIGURE 6"captionStartId="15.[136,229,1976,1997]"captionTargetBox="[157,1425,273,1857]"captionTargetId="figure-14@15.[151,1436,267,1882]"captionTargetPageId="15"captionText="FIGURE 6. D1-D1’ stems of species described in Oculatellaceae.The stem structures of genera described previously in other publications (Oculatella, Thermoleptolyngbya, Timaviella) or in publications under provision (Trichotorquatus) are not shown here."figureDoi="http://doi.org/10.5281/zenodo.13704935"httpUri="https://zenodo.org/record/13704935/files/figure.png"pageId="23"pageNumber="24">Figs. 6d</figureCitation>
<figureCitationid="132D73F76C79FF930479F82EFB51F80B"box="[1131,1225,1924,1949]"captionStart="FIGURE 9"captionStartId="19.[136,229,1958,1979]"captionTargetBox="[229,912,769,1871]"captionTargetId="figure-135@19.[151,1436,768,1875]"captionTargetPageId="19"captionText="FIGURE 9. V3 helices of species described in Oculatellaceae. All species described have this structure. The V3 helix of Cartusia aeruginosa is missing because we do not have the full length of its ITS region."figureDoi="http://doi.org/10.5281/zenodo.13704943"httpUri="https://zenodo.org/record/13704943/files/figure.png"pageId="23"pageNumber="24">Figs. 9d</figureCitation>
<figureCitationid="132D73F76C79FF930180F866FE67F873"box="[402,511,1996,2021]"captionStart="FIGURE 13"captionStartId="25.[136,229,1820,1841]"captionTargetBox="[151,1435,187,1792]"captionTargetId="figure-14@25.[151,1435,187,1792]"captionTargetPageId="25"captionText="FIGURE 13. Pegethrix indistincta. A–B. Double and single-false branching filaments. C. Multiple trichomes coiling in one common sheath. D. Thick and firm sheath observed in mature trichomes. E–F. Hormogonia released from bundles of trichome undergoing rapid disintegration (note necridia). Scale bar 10μm in 1000X magnification."figureDoi="http://doi.org/10.5281/zenodo.13704951"httpUri="https://zenodo.org/record/13704951/files/figure.png"pageId="23"pageNumber="24">Figs. 13a</figureCitation>
<figureCitationid="132D73F76C79FF9303CDF866FBF1F873"box="[991,1129,1996,2021]"captionStart="FIGURE 13"captionStartId="25.[136,229,1820,1841]"captionTargetBox="[151,1435,187,1792]"captionTargetId="figure-14@25.[151,1435,187,1792]"captionTargetPageId="25"captionText="FIGURE 13. Pegethrix indistincta. A–B. Double and single-false branching filaments. C. Multiple trichomes coiling in one common sheath. D. Thick and firm sheath observed in mature trichomes. E–F. Hormogonia released from bundles of trichome undergoing rapid disintegration (note necridia). Scale bar 10μm in 1000X magnification."figureDoi="http://doi.org/10.5281/zenodo.13704951"httpUri="https://zenodo.org/record/13704951/files/figure.png"pageId="23"pageNumber="24">Figs. 13a–b</figureCitation>
<figureCitationid="132D73F76C79FF930205F85AFDECF79F"box="[535,628,2032,2057]"captionStart="FIGURE 13"captionStartId="25.[136,229,1820,1841]"captionTargetBox="[151,1435,187,1792]"captionTargetId="figure-14@25.[151,1435,187,1792]"captionTargetPageId="25"captionText="FIGURE 13. Pegethrix indistincta. A–B. Double and single-false branching filaments. C. Multiple trichomes coiling in one common sheath. D. Thick and firm sheath observed in mature trichomes. E–F. Hormogonia released from bundles of trichome undergoing rapid disintegration (note necridia). Scale bar 10μm in 1000X magnification."figureDoi="http://doi.org/10.5281/zenodo.13704951"httpUri="https://zenodo.org/record/13704951/files/figure.png"pageId="23"pageNumber="24">Fig. 13c</figureCitation>
<figureCitationid="132D73F76C79FF930257F7BEFD3EF7BB"box="[581,678,2068,2093]"captionStart="FIGURE 13"captionStartId="25.[136,229,1820,1841]"captionTargetBox="[151,1435,187,1792]"captionTargetId="figure-14@25.[151,1435,187,1792]"captionTargetPageId="25"captionText="FIGURE 13. Pegethrix indistincta. A–B. Double and single-false branching filaments. C. Multiple trichomes coiling in one common sheath. D. Thick and firm sheath observed in mature trichomes. E–F. Hormogonia released from bundles of trichome undergoing rapid disintegration (note necridia). Scale bar 10μm in 1000X magnification."figureDoi="http://doi.org/10.5281/zenodo.13704951"httpUri="https://zenodo.org/record/13704951/files/figure.png"pageId="23"pageNumber="24">Fig. 13d</figureCitation>
<figureCitationid="132D73F76C74FF9E03D6FF0AFBE1FF2F"box="[964,1145,160,185]"captionStart="FIGURE 13"captionStartId="25.[136,229,1820,1841]"captionTargetBox="[151,1435,187,1792]"captionTargetId="figure-14@25.[151,1435,187,1792]"captionTargetPageId="25"captionText="FIGURE 13. Pegethrix indistincta. A–B. Double and single-false branching filaments. C. Multiple trichomes coiling in one common sheath. D. Thick and firm sheath observed in mature trichomes. E–F. Hormogonia released from bundles of trichome undergoing rapid disintegration (note necridia). Scale bar 10μm in 1000X magnification."figureDoi="http://doi.org/10.5281/zenodo.13704951"httpUri="https://zenodo.org/record/13704951/files/figure.png"pageId="26"pageNumber="27">Figure 13c–d, f</figureCitation>
<figureCitationid="132D73F76C74FF9E0226FF6EFD21FF4B"box="[564,697,196,221]"captionStart="FIGURE 13"captionStartId="25.[136,229,1820,1841]"captionTargetBox="[151,1435,187,1792]"captionTargetId="figure-14@25.[151,1435,187,1792]"captionTargetPageId="25"captionText="FIGURE 13. Pegethrix indistincta. A–B. Double and single-false branching filaments. C. Multiple trichomes coiling in one common sheath. D. Thick and firm sheath observed in mature trichomes. E–F. Hormogonia released from bundles of trichome undergoing rapid disintegration (note necridia). Scale bar 10μm in 1000X magnification."figureDoi="http://doi.org/10.5281/zenodo.13704951"httpUri="https://zenodo.org/record/13704951/files/figure.png"pageId="26"pageNumber="27">Figs. 13e–f</figureCitation>
<figureCitationid="132D73F76C74FF9E017CFF42FE53FE97"box="[366,459,232,257]"captionStart="FIGURE 13"captionStartId="25.[136,229,1820,1841]"captionTargetBox="[151,1435,187,1792]"captionTargetId="figure-14@25.[151,1435,187,1792]"captionTargetPageId="25"captionText="FIGURE 13. Pegethrix indistincta. A–B. Double and single-false branching filaments. C. Multiple trichomes coiling in one common sheath. D. Thick and firm sheath observed in mature trichomes. E–F. Hormogonia released from bundles of trichome undergoing rapid disintegration (note necridia). Scale bar 10μm in 1000X magnification."figureDoi="http://doi.org/10.5281/zenodo.13704951"httpUri="https://zenodo.org/record/13704951/files/figure.png"pageId="26"pageNumber="27">Fig. 13f</figureCitation>
<figureCitationid="132D73F76C74FF9E03F6FF42FBC7FE97"box="[996,1119,232,257]"captionStart="FIGURE 13"captionStartId="25.[136,229,1820,1841]"captionTargetBox="[151,1435,187,1792]"captionTargetId="figure-14@25.[151,1435,187,1792]"captionTargetPageId="25"captionText="FIGURE 13. Pegethrix indistincta. A–B. Double and single-false branching filaments. C. Multiple trichomes coiling in one common sheath. D. Thick and firm sheath observed in mature trichomes. E–F. Hormogonia released from bundles of trichome undergoing rapid disintegration (note necridia). Scale bar 10μm in 1000X magnification."figureDoi="http://doi.org/10.5281/zenodo.13704951"httpUri="https://zenodo.org/record/13704951/files/figure.png"pageId="26"pageNumber="27">Fig. 13a–b</figureCitation>
<taxonomicNameid="4C1614F16C76FF9C0103F806FE4CF857"authorityName="Mai, Johansen et Bohunicka"authorityYear="2018"box="[273,468,1964,1985]"class="Cyanobacteriia"family="Oculatellaceae"genus="Pegethrix"higherTaxonomySource="GBIF"kingdom="Bacteria"order="Synechococcales"pageId="24"pageNumber="25"phylum="Cyanobacteria"rank="species"species="convoluta">
. A. Consecutively false-branching filaments. B–C. Compact nodules formed by rapid cell division in local region of trichomes. D–E. Sheath rarely irregular and stratified, more commonly tightly attached to trichomes. F. Necridia abundant in mature trichomes. Scale bar 10μm in 1000X magnification.
<taxonomicNameid="4C1614F16C77FF9D0106F8B6FE46F8A7"authorityName="Mai, Johansen et Bohunicka"authorityYear="2018"box="[276,478,1820,1841]"class="Cyanobacteriia"family="Oculatellaceae"genus="Pegethrix"higherTaxonomySource="GBIF"kingdom="Bacteria"order="Synechococcales"pageId="25"pageNumber="26"phylum="Cyanobacteria"rank="species"species="indistincta">
. A–B. Double and single-false branching filaments. C. Multiple trichomes coiling in one common sheath. D. Thick and firm sheath observed in mature trichomes. E–F. Hormogonia released from bundles of trichome undergoing rapid disintegration (note necridia). Scale bar 10μm in 1000X magnification.
D1-D1’ helix of the 16S–23S ITS region 91 nucleotides long having the basal 3’ side loop of 8 unpaired nucleotides (5’-CAUCCCAA-3’) opposed by a single adenine residue, with multiple internal loops at positions 14–15/69–70, 19–23/60–65, 26–27/56–57 and 32–33/50–51. Terminal loop with 4 nucleotides, with sequence 5’-GAAA-3’ (
<figureCitationid="132D73F76C74FF9E056CFED2FF3FFE23"captionStart="FIGURE 6"captionStartId="15.[136,229,1976,1997]"captionTargetBox="[157,1425,273,1857]"captionTargetId="figure-14@15.[151,1436,267,1882]"captionTargetPageId="15"captionText="FIGURE 6. D1-D1’ stems of species described in Oculatellaceae.The stem structures of genera described previously in other publications (Oculatella, Thermoleptolyngbya, Timaviella) or in publications under provision (Trichotorquatus) are not shown here."figureDoi="http://doi.org/10.5281/zenodo.13704935"httpUri="https://zenodo.org/record/13704935/files/figure.png"pageId="26"pageNumber="27">Fig. 6d</figureCitation>
<taxonomicNameid="4C1614F16C74FF9E01F9FE36FDEDFE23"authorityName="Mai, Johansen et Bohunicka"authorityYear="2018"box="[491,629,412,437]"class="Cyanobacteriia"family="Oculatellaceae"genus="Pegethrix"higherTaxonomySource="GBIF"kingdom="Bacteria"order="Synechococcales"pageId="26"pageNumber="27"phylum="Cyanobacteria"rank="species"species="convoluta">
<figureCitationid="132D73F76C74FF9E0530FE36FAEDFE23"box="[1314,1397,412,437]"captionStart="FIGURE 7"captionStartId="17.[136,229,1928,1949]"captionTargetBox="[314,1274,759,1806]"captionTargetId="figure-238@17.[311,1276,751,1831]"captionTargetPageId="17"captionText="FIGURE 7. Box B helices of species described in Oculatellaceae. The structures of genera described previously in other publications (Oculatella, Thermoleptolyngbya, Timaviella) or in publications under provision (Trichotorquatus) are not shown here."figureDoi="http://doi.org/10.5281/zenodo.13704937"httpUri="https://zenodo.org/record/13704937/files/figure.png"pageId="26"pageNumber="27">Fig. 7c</figureCitation>
. V3 helix 110 nucleotides long, with one basal internal loop (5–6/101), with one unilateral bulge at position 12–14, several small internal loops at positions 23–27/88–89, 30–32/84–85, 35–36/79–81, 42–45/71–73 and 49–51/64–67. Terminal loop of 6 nucleotides, bearing sequence of 5’-GUAAUA-3’ (
<figureCitationid="132D73F76C74FF9E0082FD86FF7CFDD3"box="[144,228,556,581]"captionStart="FIGURE 9"captionStartId="19.[136,229,1958,1979]"captionTargetBox="[229,912,769,1871]"captionTargetId="figure-135@19.[151,1436,768,1875]"captionTargetPageId="19"captionText="FIGURE 9. V3 helices of species described in Oculatellaceae. All species described have this structure. The V3 helix of Cartusia aeruginosa is missing because we do not have the full length of its ITS region."figureDoi="http://doi.org/10.5281/zenodo.13704943"httpUri="https://zenodo.org/record/13704943/files/figure.png"pageId="26"pageNumber="27">Fig. 9d</figureCitation>
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,
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37775! and
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37776!, Herbarium for Nonvascular Cryptogams, Monte L., Bean Museum, Provo,
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―GSE-TBC-7GA, Algal Culture Collection at John Carroll University, Cleveland,
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1-7G, Algal Culture Collection at John Carroll University, Cleveland,
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