نتایج جستجو برای: cyanobacterial culture
تعداد نتایج: 282358 فیلتر نتایج به سال:
Black band disease (BBD) is a migrating, cyanobacterial dominated, sulfide-rich microbial mat that moves across coral colonies lysing coral tissue. While it is known that BBD sulfate-reducing bacteria contribute to BBD pathogenicity by production of sulfide, additional mechanisms of toxicity may be involved. Using HPLC/MS, the cyanotoxin microcystin was detected in 22 field samples of BBD colle...
Mechanism of photoprotection in the cyanobacterial ancestor of plant antenna proteins pp287 291 Hristina Staleva, Josef Komenda, Mahendra K Shukla, Václav Šlouf, Radek Kaňa, Tomáš Polívka & Roman Sobotka Light-harvesting complexes (LHCs) manage energy flux into photosynthesis and dissipate excess light energy. The demonstration of dissipative energy transfer from chlorophyll-a to β-carotene in ...
The seasonal dynamics of cyanobacterial and diatom assemblages in 11 water bodies along a mesoto hypertrophic gradient were compared. The cyanobacterial and diatom communities are characterised according to representative species of each algal class, selected by data reduction following principal component analyses and discriminant analysis. The cyanobacterial and diatom assemblages of the four...
The central oscillator of the cyanobacterial circadian clock is unique in the biochemical simplicity of its components and the robustness of the oscillation. The oscillator is composed of three cyanobacterial proteins: KaiA, KaiB, and KaiC. If very pure preparations of these three proteins are mixed in a test tube in the right proportions and with ATP and MgCl2, the phosphorylation states of Ka...
Citation: Vermaire JC, Taranu ZE, MacDonald GK, Velghe K, Bennett EM and Gregory-Eaves I (2017) Extrinsic vs. Intrinsic Regimes Shifts in Shallow Lakes: Long-Term Response of Cyanobacterial Blooms to Historical Catchment Phosphorus Loading and Climate Warming. Front. Ecol. Evol. 5:146. doi: 10.3389/fevo.2017.00146 Extrinsic vs. Intrinsic Regimes Shifts in Shallow Lakes: Long-Term Response of Cy...
4.2 Microbial Mats, Stromatolites and Their Environments .............................................. 67 4.2.1 What Are Microbial Mats and Stromatolites? Some De fi nitions ...................................................................... 67 4.2.2 Microbial Mats and Stromatolites: The Geological Evidence ............................................... 67 4.2.3 Strati fi cation and Struct...
Developing an effective and rapid method to identify and estimate the abundance of Microcystis is warranted in the San Francisco Estuary (SFE) in view of expanding cyanobacterial blooms dominated by Microcystis spp. Blooms that occurred in the estuary from July to September 2007 were initially assessed using a standard polymerase chain reaction (PCR) employing primers designed for the conserved...
BACKGROUND An ancient cyanobacterial incorporation into a eukaryotic organism led to the evolution of plastids (chloroplasts) and subsequently to the origin of the plant kingdom. The underlying mechanism and the identities of the partners in this monophyletic event remain elusive. METHODOLOGY/PRINCIPAL FINDINGS To shed light on this evolutionary process, we sequenced the genome of a cyanobact...
The Impact of Fish Predation and Cyanobacteria on Zooplankton Size Structure in 96 Subtropical Lakes
Zooplankton are relatively small in size in the subtropical regions. This characteristic has been attributed to intense predation pressure, high nutrient loading and cyanobacterial biomass. To provide further information on the effect of predation and cyanobacteria on zooplankton size structure, we analyzed data from 96 shallow aquaculture lakes along the Yangtze River. Contrary to former studi...
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