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Characterization of a lytic cyanophage that infects the bloom-forming cyanobacterium Aphanizomenon flos-aquae
Author(s) -
Sigitas Šulčius,
Eugenijus Šimoliūnas,
J. Staniulis,
Judita Koreivienė,
Paulius Baltrušis,
Rolandas Meškys,
Ričardas Paškauskas
Publication year - 2014
Publication title -
fems microbiology ecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.377
H-Index - 155
eISSN - 1574-6941
pISSN - 0168-6496
DOI - 10.1093/femsec/fiu012
Subject(s) - aphanizomenon , biology , lytic cycle , microbiology and biotechnology , population , cyanobacteria , virology , anabaena , genetics , bacteria , virus , demography , sociology
Vb-AphaS-CL131 is a novel cyanosiphovirus that infects harmful Aphanizomenon flos-aquae. This cyanophage has an isometric head, 97 nm in diameter and a long, flexible non-contractile tail, 361 nm long. With a genome size of ~120 kb, it is the second largest cyanosiphovirus isolated to date. The latent period was estimated to be ~36 h and a single infected cell produces, on average, 218 infectious cyanophages. Cyanophage infection significantly suppresses host biomass production and alters population phenotype.

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