期刊
MYCOLOGICAL RESEARCH
卷 112, 期 -, 页码 70-81出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mycres.2007.09.002
关键词
algal pathogen; amoeboid swarmer; infection; life-cycle; parasite; zoospore
类别
A parasite was found in cultures of the green microalga Haematococcus pluvialis that grew epibiotically on algal cells and caused epidemics resulting in damage to the host cultures. The parasite was isolated into axenic culture on solid and liquid media. It was demonstrated to be the sole causative agent of the epidemics. According to its life cycle and phylogenetic analysis based on 18S ribosomal DNA sequences, the pathogen appears to represent a novel chytrid fungus closely related to the vascular plant pathogen Physoderma (Blastocladiomycota), although it differs from all other known chytrids by its infective stage, a wall-less propagule endowed with amoeboid motion and lacking the group's typical flagellum. (c) 2007 The British Mycological Society. Published by Elsevier Ltd. All rights reserved.
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