Research Progress of New Biomarker Gene of phoH for Bacteriophage Genetic Diversity

doi:10.13560/j.cnki.biotech.bull.1985.2017-0725

Abstract

Abstract: Bacteriophages（phages）are the simplest biological entities，which play important roles not only in the regulation of their host communities and horizontal transfer of genetic materials，but also in the element biogeochemical cycles. Although the importance of phages is increasingly being paid attentions by researchers，however there are still great limitations on the study of phage gene diversity until now. Therefore，the work of finding and verification of a suitable molecular marker gene for studying the genetic diversity of phage in natural environments is one of the hotspots of virus ecology. In this paper，a new molecular biomarker gene of phage auxiliary metabolic gene of phoH was introduced，and the recent advances in using this gene to reveal the phage genetic diversity in marine waters，paddy floodwaters and desert hypoliths are reviewed. Results showed that the distribution of phage phoH gene was closely related to its living environments，and phoH clones were divided into several groups according their obtained environments. In the end of the paper，the future research directions of phage phoH gene are also proposed.

Key words: bacteriophage, phoH gene, diversity, marine, paddy field

LI Xiang, SUN Yan, WANG Xin-zhen, LIU Jun-jie, WANG Guang-hua. Research Progress of New Biomarker Gene of phoH for Bacteriophage Genetic Diversity[J]. Biotechnology Bulletin, 2017, 33(10): 40-45.

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