Heterocytous cyanobacteria of the Ulu Peninsula, James Ross Island, Antarctica

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985939%3A_____%2F15%3A00447933" target="_blank" >RIV/67985939:_____/15:00447933 - isvavai.cz</a>

Alternative codes found

RIV/60076658:12310/15:43888740

Result on the web

<a href="http://dx.doi.org/10.1007/s00300-014-1609-4" target="_blank" >http://dx.doi.org/10.1007/s00300-014-1609-4</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s00300-014-1609-4" target="_blank" >10.1007/s00300-014-1609-4</a>

Result language

angličtina

Original language name

Heterocytous cyanobacteria of the Ulu Peninsula, James Ross Island, Antarctica

Original language description

The Antarctic cyanobacterial microflora is one of the main components of the diversity of freshwater phototrophic communities in coastal areas. It is little known according to the modern taxonomic criteria (polyphasic approach). Populations of heterocytous cyanobacteria from Ulu Peninsula, the northern part of James Ross Island, NW Weddell Sea, Antarctica, were therefore reviewed. The identified morphospecies were compared with specimens from other localities in maritime Antarctica, especially from the South Shetland Islands. Ecological demands, morphological variations and, if possible, their phylogenetic positions (based on 16S rRNA gene sequencing) of registered populations were analyzed. Altogether, 11 species of heterocytous cyanoprokaryotes were recognized and studied in detail. These species were dominant in the characteristic habitats, and four novel species were described. All have a restricted endemic Antarctic distribution according to both morphology and 16S rRNA gene analyses. Three species of the genus Calothrix, one species of the genus Dichothrix (Rivulariaceae), and four species from the family Tolypotrichaceae were recognized and documented. Few species from this family belong to the recently recognized and revised genera Dactylothamnos and Hassallia, based on molecular analyses. Nodularia quadrata and two species, taxonomically classified to the genus Hydrocoryne (Nostocaceae), were studied. The complex of the genus Nostoc (especially of N. commune) exists as numerous morpho- and ecotypes, and it is diverse phylogenetically, morphologically and ecologically, and will be analyzed in special studies. Our study is important for the exact identification of cyanobacterial microflora in Antarctica, which plays a dominant role in the colonization of deglaciated areas.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

EF - Botany

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2015

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Polar Biology

ISSN

0722-4060

e-ISSN

—

Volume of the periodical

38

Issue of the periodical within the volume

4

Country of publishing house

DE - GERMANY

Number of pages

18

Pages from-to

475-492

UT code for WoS article

000351179000004

EID of the result in the Scopus database

2-s2.0-84925467149