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[期刊论文]

Genetic relationships among loquat cultivars and some wild species of the genus Eriobotrya based on the internal transcribed spacer (ITS) sequences

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author:

Zhao, G.-J. (Zhao, G.-J..) [1] | Yang, Z.-Q. (Yang, Z.-Q..) [2] | Chen, X.-P. (Chen, X.-P..) [3] | Unfold

Indexed by:

Scopus

Abstract:

The phylogenetic relationships among seven wild species and 25 loquat cultivars of genus Eriobotrya were studied by comparing sequences of the internal transcribed spacer (ITS) region. The length of ITS1 region of Eriobotrya was 223. bp and the lengths of ITS2 were ranged from 201. bp to 203. bp. The G. +. C contents varied from 64.1% to 65.5% in ITS1 and from 68.5% to 72.1% in ITS2. The aligned sequences were analyzed by neighbor-joining (NJ) and maximum parsimony (MP) methods. The ITS1 spacer region comprised 223 characters, of which 44 were variable sites and 34 were parsimony informative sites. The NJ tree had very similar topology to the MP tree. E. malipoensis and E. seguinii had only one different character in ITS2 region and both of them could be the most primitive species of Eriobotrya genus. ITS2 evolved much faster and had more parsimony informative sites than ITS1. ITS2 presented much more precise information about the phylogenetic relationships. Based on ITS2 regions, the evolution order of the studied taxa in this paper could be concluded, which was E. bengalensis f. angustifolia, E. prinoides var. dadunensis, E. prinoides (E. bengalensis), E. dayaoshanensis and E. japonica Lindl. © 2011 Elsevier B.V.

Keyword:

Evolution; Genetic relationships; Phylogeny

Community:

  • [ 1 ] [Zhao, G.-J.]Institute of Pharmaceutical Biotechnology, Fuzhou University, Fuzhou, Fujian 350108, China
  • [ 2 ] [Yang, Z.-Q.]Fruit Research Institute, Fujian Academy of Agricultural Science, Fuzhou, Fujian 350013, China
  • [ 3 ] [Chen, X.-P.]Fruit Research Institute, Fujian Academy of Agricultural Science, Fuzhou, Fujian 350013, China
  • [ 4 ] [Guo, Y.-H.]Institute of Pharmaceutical Biotechnology, Fuzhou University, Fuzhou, Fujian 350108, China

Reprint 's Address:

  • [Guo, Y.-H.]Fruit Research Institute, Fujian Academy of Agricultural Science, Fuzhou, Fujian 350013, China

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Source :

Scientia Horticulturae

ISSN: 0304-4238

Year: 2011

Issue: 4

Volume: 130

Page: 913-918

1 . 5 2 7

JCR@2011

3 . 9 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 9

30 Days PV: 0

Affiliated Colleges:

操作日志

管理员  2024-08-21 17:54:51  更新被引

管理员  2020-11-20 11:50:07  创建

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