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globalchange > 过去全球变化的重建

DOI:	10.1371/journal.pone.0131277
论文题名:	Geographical Barriers Impeded the Spread of a Parasitic Chromosome
作者:	María Inmaculada Manrique-Poyato; María Dolores López-León; Josefa Cabrero; Ricardo Gómez; Francisco Perfectti; Juan Pedro M. Camacho
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2015
发表日期:	2015-6-25
卷:	10, 期:6
语种:	英语
英文关键词:	Chromosomes ; Gene flow ; Rivers ; Population genetics ; Grasshoppers ; Polymerase chain reaction ; DNA sequence analysis ; Geographic distribution
英文摘要:	Parasitic supernumerary (B) chromosomes show high capability to spread across populations. But the existence of abrupt discontinuities in their distribution demands an explanation. The grasshopper Eyprepocnemis plorans plorans harbour supernumerary chromosomes in all natural populations hitherto analyzed from the Circum-Mediterranean region, with the single exception of the headwaters of the Iberian Segura River and several of its tributaries. To ascertain the causes of this distribution pattern, we analyze here the genetic structure of five natural populations collected in this zone (two +B and three -B), by means of ISSR markers. We found significant population structure, with two kinds of populations coinciding with +B and -B ones, separated by strong barriers to gene flow. This gives strong support to the hypothesis that the non-B populations precede B origin, and that B-carrying individuals from coastal zones have been able to colonize upstream areas, until geographical barriers (usually narrow canyons and arid areas surrounding them) impeded their advance.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0131277&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/22391
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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File Name/ File Size	Content Type	Version	Access	License
journal.pone.0131277.PDF（1084KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Departamento de Genética, Facultad de Ciencias, Universidad de Granada, 18071, Granada, Spain;Departamento de Genética, Facultad de Ciencias, Universidad de Granada, 18071, Granada, Spain;Departamento de Genética, Facultad de Ciencias, Universidad de Granada, 18071, Granada, Spain;Departamento de Ciencia y Tecnología Agroforestal, E.T.S. de Ingenieros Agrónomos, Universidad de Castilla La Mancha, 02071, Albacete, Spain;Departamento de Genética, Facultad de Ciencias, Universidad de Granada, 18071, Granada, Spain;Departamento de Genética, Facultad de Ciencias, Universidad de Granada, 18071, Granada, Spain

Recommended Citation:

María Inmaculada Manrique-Poyato,María Dolores López-León,Josefa Cabrero,et al. Geographical Barriers Impeded the Spread of a Parasitic Chromosome[J]. PLOS ONE,2015-01-01,10(6)

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