Exploring the genetic diversity and molecular evolution of fig badnavirus-1 from Iran

Exploring the genetic diversity and molecular evolution of fig badnavirus-1 from Iran Complete genome sequences of five fig badnavirus-1 (FBV-1) isolates from different geographic origins in Iran were obtained from infected fig plants using conventional sequencing of overlapping PCR fragment with appropriate primers. Phylogenetic analysis of these five Iranian isolates as well as the one previously sequenced USA isolate indicated that the Iranian isolates could be divided into two distinct subgroups, reflecting either divergences or two different origins. Iranian isolates were genetically distinct from the USA isolate. The phylogenetic analysis of the so-called diversity genomic region (992 nt) from 27 FBV-1 Iranian and 44 USA isolates gave two main groups. Sequences from Iran were distributed between two groups and the four subgroups of the first group besides other US isolates, and segregated according to their geographical origin. In contrast to the Iranian isolates, phylogenetic analysis grouped the USA isolates into three subgroups in the first group. To gain insight into the evolutionary forces driving the emergence of these FBV-1 populations, we analyzed the nucleotide sequences of the diversity genomic region from 71 FBV-1 isolates. Neutrality tests suggested the occurrence of purifying selection acting upon the population. For all genomic regions analyzed, diversity values were high for the nucleotide-coding sequences of the http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Plant Pathology Springer Journals

Exploring the genetic diversity and molecular evolution of fig badnavirus-1 from Iran

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Publisher
Springer International Publishing
Copyright
Copyright © 2018 by Società Italiana di Patologia Vegetale (S.I.Pa.V.)
Subject
Life Sciences; Plant Biochemistry
ISSN
1125-4653
eISSN
2239-7264
D.O.I.
10.1007/s42161-018-0073-3
Publisher site
See Article on Publisher Site

Abstract

Complete genome sequences of five fig badnavirus-1 (FBV-1) isolates from different geographic origins in Iran were obtained from infected fig plants using conventional sequencing of overlapping PCR fragment with appropriate primers. Phylogenetic analysis of these five Iranian isolates as well as the one previously sequenced USA isolate indicated that the Iranian isolates could be divided into two distinct subgroups, reflecting either divergences or two different origins. Iranian isolates were genetically distinct from the USA isolate. The phylogenetic analysis of the so-called diversity genomic region (992 nt) from 27 FBV-1 Iranian and 44 USA isolates gave two main groups. Sequences from Iran were distributed between two groups and the four subgroups of the first group besides other US isolates, and segregated according to their geographical origin. In contrast to the Iranian isolates, phylogenetic analysis grouped the USA isolates into three subgroups in the first group. To gain insight into the evolutionary forces driving the emergence of these FBV-1 populations, we analyzed the nucleotide sequences of the diversity genomic region from 71 FBV-1 isolates. Neutrality tests suggested the occurrence of purifying selection acting upon the population. For all genomic regions analyzed, diversity values were high for the nucleotide-coding sequences of the

Journal

Journal of Plant PathologySpringer Journals

Published: Jun 6, 2018

References

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