Photosynthesis genes in marine viruses yield proteins during host infection

Article Abstract:

The study shows that psbA and high-light-inducible genes are expressed during infection of Prochlorococcus and are co-transcribed with essential phage capsid genes, and that the amount of phage D1 protein increases steadily over the infective period. It is shown that the expression of host photosynthesis genes declines over the course of infection and that replication of phage genome is a function of photosynthesis.

Bacterial infections, Bacterial proteins, Photosynthesis

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Genome-wide expression dynamics of a marine virus and host reveal features of co-evolution

Article Abstract:

The article described an investigation on whole-genome expression of a host and phage the marine cyanobacterium Prochlorococcus MED4 and the T7-like cyanophage P-SSP7 to gain insight into co-evolutionary processes. Result show activation of host genes during infection may be directing the co-evolution of gene content in both host and phage genomes.

Research and Development in the Physical, Engineering, and Life Sciences, Research and Testing Services, Viral Disease R&D, Viral research, Cyanobacteria, Gene expression, Virus research

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Genome divergence in two Prochlorococcus ecotypes reflects oceanic niche differentiation

Article Abstract:

The genomes of two Prochlorococcus strains that span the largest evolutionary distance within the Prochlorococcus lineage are compared. These genes play important roles in determining the relative fitness of the ecotypes in response to environmental variables and regulate their distribution and abundance in the oceans.

Environmental aspects, Genomes, Genes

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