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Белых, О. И.; Semenova, Ekaterina A.; Kuznedelov, Konstantin; Zaika, Elena; Guselnikova, Nina E.

doi:10.1023/a:1004056604534

Hydrobiologia

2000

DOI: 10.1023/a:1004056604534

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О. И. Белых

Ekaterina A. Semenova

Konstantin Kuznedelov

et al.

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Cited by 20 publications

(1 citation statement)

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“…G reen algae of the phylum Chlorophyta are the most widespread autotrophic picoplankton in Lake Baikal (Russia) (1)(2)(3). The related algae are symbionts of freshwater sponges and were assigned to the genus Choricystis based on analysis of the 18S rRNA and rbcL genes (4,5).…”

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confidence: 99%

Draft Genome Sequence of the Green Microalga Chlorella sp. Strain BAC9706, Isolated from Lake Baikal, Russia

Petrushin

Беликов

Белых

et al. 2020

Microbiol Resour Announc

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mentioning

confidence: 99%

Draft Genome Sequence of the Green Microalga Chlorella sp. Strain BAC9706, Isolated from Lake Baikal, Russia

Petrushin

Беликов

Белых

et al. 2020

Microbiol Resour Announc

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Co-occurrence Networks Among Bacteria and Microbial Eukaryotes of Lake Baikal During a Spring Phytoplankton Bloom

et al. 2018

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The pelagic zone of Lake Baikal is an ecological niche where phytoplankton bloom causes increasing microbial abundance in spring which plays a key role in carbon turnover in the freshwater lake. Co-occurrence patterns revealed among different microbes can be applied to predict interactions between the microbes and environmental conditions in the ecosystem. We used 454 pyrosequencing of 16S rRNA and 18S rRNA genes to study bacterial and microbial eukaryotic communities and their co-occurrence patterns at the pelagic zone of Lake Baikal during a spring phytoplankton bloom. We found that microbes within one domain mostly correlated positively with each other and are highly interconnected. The highly connected taxa in co-occurrence networks were operational taxonomic units (OTUs) of Actinobacteria, Bacteroidetes, Alphaproteobacteria, and autotrophic and unclassified Eukaryota which might be analogous to microbial keystone taxa. Constrained correspondence analysis revealed the relationships of bacterial and microbial eukaryotic communities with geographical location.

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Abundance and composition of the summer phytoplankton community along a transect from the Barguzin River to the central basin of Lake Baikal

et al. 2008

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The abundance and composition of phytoplankton were investigated at six stations along a transect from the Barguzin River inflow to the central basin of Lake Baikal in August 2002 to clarify the effect of the river inflow on the phytoplankton community in the lake. The water temperature in the epilimnion was high near the shore at Station 1 (17.3°C), probably due to the higher temperature of the river water, and gradually decreased offshore at Station 6 (14.5°C). Thermal stratification developed at Stations 2-6, and a thermocline was observed at a 17-22-m depth at Stations 2-4 and an 8-12-m depth at Stations 5 and 6. The concentrations of nitrogen and phosphorus nutrients in the epilimnion at all stations were \1.0 lmol N l -1 and \0.16 lmol P l -1 , respectively. Relatively high concentrations of nutrients (0.56-7.38 lmol N l -1 and 0.03-0.28 lmol P l -1 ) were detected in the deeper parts of the euphotic zone. Silicate was not exhausted at all stations ([20 lmol Si l -1 ). The chlorophyll a (chl. a) concentration was high ([10 lg l -1 ) near the shore at Station 1 and low (\3 lg l -1 ) at five other stations. The\2 lm fraction of chl. a in Stations 2-6 ranged between 0.80 and 1.85 lg l -1 , and its contribution to total chl. a was high ([60%). In this fraction, picocyanobacteria were abundant at all stations and ranged between 5 9 10 4 and 5 9 10 5 cells ml -1 . In contrast, chl. a in the[2 lm fraction varied significantly (0.14-11.17 lg l -1 ), and the highest value was observed at Station 1. In this fraction, the dominant phytoplankton was Aulacoseira and centric diatoms at Station 1 and Cryptomonas, Ankistrodesmus, Asterionella, and Nitzschia at Stations 2-6. The present study demonstrated the dominance of picophytoplankton in the pelagic zone, while higher abundance of phytoplankton dominated by diatoms was observed in the shallower littoral zone. These

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Cited by 20 publications

References 22 publications

Draft Genome Sequence of the Green Microalga Chlorella sp. Strain BAC9706, Isolated from Lake Baikal, Russia

Draft Genome Sequence of the Green Microalga Chlorella sp. Strain BAC9706, Isolated from Lake Baikal, Russia

Co-occurrence Networks Among Bacteria and Microbial Eukaryotes of Lake Baikal During a Spring Phytoplankton Bloom

Abundance and composition of the summer phytoplankton community along a transect from the Barguzin River to the central basin of Lake Baikal

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