A phylogenetic analysis based on nucleotide sequence of a marker linked to the brittle rachis locus indicates a diphyletic origin of barley.
A phylogenetic analysis based on nucleotide sequence of a marker linked to the brittle rachis locus indicates a diphyletic origin of barley.
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DOI：
10.1093/aob/mcm129
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发表时间：
2007-11
期刊：
影响因子：
4.2
通讯作者：
Komatsuda T
中科院分区：
文献类型：
--
作者：
Azhaguvel P;Komatsuda T
大麦（Hordeum vulgare ssp. vulgare）种植开始于9500年至8400年前，是近东古代农业的主要部分。脆弱的脊柱是驯化过程中的一个关键特征。从栽培大麦、野生大麦（H. vulgare ssp. spontaneum）和杂草状脆轴品种（H. vulgare ssp.武尔加雷湾agriocrithon）。该序列用于构建系统发育树。遗传分化将W-（btr 1-携带）与E-（btr 2-携带）品种分开。野生大麦具有很高的序列多样性，分布在W-和E-分支。一些西藏的var。agriocriton株系与E型大麦亲缘关系较近，而其它株系与W型大麦亲缘关系较近，但以色列变种（Israeli var.古生物线起源复杂。结果是一致的大麦的二系起源。W-和E-型品种被认为是从以前分歧的野生大麦通过独立的突变BTR 1和BTR 2。
Barley (Hordeum vulgare ssp. vulgare) cultivation started between 9500 and 8400 years ago, and was a major part of ancient agriculture in the Near East. The brittle rachis is a critical trait in the domestication process. A DNA sequence closely linked to the brittle rachis complex was amplified and resequenced in a collection of cultivated barleys, wild barleys (H. vulgare ssp. spontaneum) and weedy brittle rachis varieties (H. vulgare ssp. vulgare var. agriocrithon). The sequence was used to construct a phylogenetic tree. The phylogeny separated the W- (btr1-carrying) from the E- (btr2-carrying) cultivars. The wild barleys had a high sequence diversity and were distributed throughout the W- and E-clades. Some of the Tibetan var. agriocrithon lines were closely related to the E-type and others to the W-type cultivated barleys, but an Israeli var. agriocrithon line has a complex origin. The results are consistent with a diphyletic origin of barley. The W- and E-type cultivars are assumed to have evolved from previously diverged wild barley via independent mutations at Btr1 and Btr2.
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影响因子：
2
作者：
Konishi, T
通讯作者：
Konishi, T
影响因子：
5.4
作者：
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通讯作者：
Powell, W
影响因子：
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作者：
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通讯作者：
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影响因子：
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通讯作者：
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