南美入侵Limnoperna fortunei (Dunker, 1857)种群的高水平遗传和形态变异

IF 0.7 4区生物学 Q4 ZOOLOGY

Malacologia Pub Date : 2018-05-30 DOI:10.4002/040.062.0106

M. Duarte, A. Otegui, F. Fernandes, E. P. Silva

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引用次数: 5

摘要

摘要利用多态分子（9个等位酶基因座）和形态（11个性状）标记对入侵物种火绒花的5个种群进行了研究，以了解该物种在南美洲的遗传和形态变异模式、结构和扩散动态。在南美洲入侵种群中发现了高度的遗传变异性，与Hardy-Weinberg比例的显著偏差清楚地表明，入侵过程仍在进行中，可能是通过自然迁徙以外的方式。

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High Levels of Genetic and Morphological Variability in Invasive Limnoperna fortunei (Dunker, 1857) Populations in South America

ABSTRACT Five populations of the invasive species Limnoperna fortunei were studied using polymorphic molecular (nine allozyme loci) and morphological (11 traits) markers in order to understand the patterns of genetic and morphological variability, structure and dispersion dynamics of this species in South America. High levels of genetic variability were found in South American invasive populations, and significant deviations from the Hardy-Weinberg proportions clearly indicated that the invasion process is still under way, probably by means other than natural migration.

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来源期刊

Malacologia 生物-动物学

CiteScore

2.00

自引率

0.00%

发文量

审稿时长

3 months

期刊介绍： Malacologia publishes papers on all groups of the Mollusca. Malacologia specializes in publishing long papers and monographic treatments. Complete data are especially appreciated. Papers must be of interest to an international readership. Papers in systematics, ecology, population ecology, genetics, molecular genetics, evolution and phylogenetic treatments are especially welcomed. Also welcomed are letters to the editor involving papers published or issues of import to science of the day.