RNA viruses in aquatic ecosystems through the lens of ecological genomics and transcriptomics

S Kolundžija, DQ Cheng, FM Lauro - Viruses, 2022 - mdpi.com
Massive amounts of data from nucleic acid sequencing have changed our perspective about
diversity and dynamics of marine viral communities. Here, we summarize recent …

The Complicated and Confusing Ecology of Microcystis Blooms

SW Wilhelm, GS Bullerjahn, RML McKay - MBio, 2020 - Am Soc Microbiol
Blooms of the toxin-producing cyanobacterium Microcystis are increasing globally, leading
to the loss of ecosystem services, threats to human health, as well as the deaths of pets and …

Elevated pH Conditions Associated With Microcystis spp. Blooms Decrease Viability of the Cultured Diatom Fragilaria crotonensis and Natural Diatoms in Lake Erie

BN Zepernick, ER Gann, RM Martin, HL Pound… - Frontiers in …, 2021 - frontiersin.org
Cyanobacterial Harmful Algal Blooms (CyanoHABs) commonly increase water column pH to
alkaline levels≥ 9.2, and to as high as 11. This elevated pH has been suggested to confer a …

Past and present giant viruses diversity explored through permafrost metagenomics

S Rigou, S Santini, C Abergel, JM Claverie… - Nature …, 2022 - nature.com
Giant viruses are abundant in aquatic environments and ecologically important through the
metabolic reprogramming of their hosts. Less is known about giant viruses from soil even …

RNA-Seq virus fraction in lake Baikal and treated wastewaters

S Potapov, A Gorshkova, A Krasnopeev… - International Journal of …, 2023 - mdpi.com
In this study, we analyzed the transcriptomes of RNA and DNA viruses from the oligotrophic
water of Lake Baikal and the effluent from wastewater treatment plants (WWTPs) discharged …

Bioavailable iron titrations reveal oceanic Synechococcus ecotypes optimized for different iron availabilities

NE Gilbert, GR LeCleir, RF Strzepek… - ISME …, 2022 - academic.oup.com
The trace metal iron (Fe) controls the diversity and activity of phytoplankton across the
surface oceans, a paradigm established through decades of in situ and mesocosm …

Metatranscriptome library preparation influences analyses of viral community activity during a brown tide bloom

ER Gann, Y Kang, ST Dyhrman, CJ Gobler… - Frontiers in …, 2021 - frontiersin.org
There is growing interest in the use of metatranscriptomics to study virus community
dynamics. We used RNA samples collected from harmful brown tides caused by the …

A Novel Wide-Range Freshwater Cyanophage MinS1 Infecting the Harmful Cyanobacterium Microcystis aeruginosa

S Zhang, X He, L Cao, Y Tong, B Zhao, W An - Viruses, 2022 - mdpi.com
Microcystis aeruginosa, as one of the major players in algal bloom, produces microcystins,
which are strongly hepatotoxic, endangering human health and damaging the ecological …

Sulfolipid substitution ratios of Microcystis aeruginosa and planktonic communities as an indicator of phosphorus limitation in Lake Erie

RM Martin, MK Denney, HL Pound… - Limnology and …, 2023 - Wiley Online Library
Phosphorus (P) availability frequently limits primary production in lakes, influences the
physiology of phytoplankton, shapes community structure, and can stimulate or constrain the …

Significant differences in planktonic virus communities between “cellular fraction”(0.22~ 3.0 µm) and “viral fraction”(< 0.22 μm) in the ocean

J Zhao, Z Wang, C Li, T Shi, Y Liang, N Jiao, Y Zhang - Microbial Ecology, 2023 - Springer
Compared to free-living viruses (< 0.22 m) in the ocean, planktonic viruses in the “cellular
fraction”(0.22~ 3.0 μm) are now far less well understood, and the differences between them …