Lema, Kimberley A. published the artcileInter- and intra-specific transcriptional and phenotypic responses of Pseudo-nitzschia under different nutrient conditions, Safety of (S)-2-hydroxysuccinic acid, the main research area is Pseudo nitzschia transcription phenotype nutrient; Pseudo-nitzschia ; divergence; nutrients; phenotype; transcriptomics.
Untangling the functional basis of divergence between closely related species is a step toward understanding species dynamics within communities at both the evolutionary and ecol. scales. We investigated cellular (i.e., growth, domoic acid production, and nutrient consumption) and mol. (transcriptomic analyses) responses to varying nutrient concentrations across several strains belonging to three species of the toxic diatom genus Pseudo-nitzschia. First, strains from the same species displayed similar transcriptomic, but not necessarily cellular, responses to the exptl. conditions. It showed the importance of considering intraspecific diversity to investigate functional divergence between species. Second, a major exception to the first finding was a strain recently isolated from the natural environment and displaying contrasting gene expression patterns related to cell motility and domoic acid production This result illustrated the profound modifications that may occur when transferring a cell from the natural to the in vitro environment and asks for future studies to better understand the influence of culture duration and life cycle on expression patterns. Third, transcriptomic responses were more similar between the two species displaying similar ecol. in situ, irresp. of the genetic distance. This was especially true for mol. responses related to TCA cycle, photosynthesis, and nitrogen metabolism However, transcripts related to phosphate uptake were variable between species.
Genome Biology and Evolution published new progress about Amino acids Role: BSU (Biological Study, Unclassified), BIOL (Biological Study). 97-67-6 belongs to class alcohols-buliding-blocks, name is (S)-2-hydroxysuccinic acid, and the molecular formula is C4H6O5, Safety of (S)-2-hydroxysuccinic acid.
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