Identification of mariner‐like elements belonging to the cecropia subfamily in two closely related Helicoverpa species

Identification of mariner‐like elements belonging to the cecropia subfamily in two closely related Helicoverpa species
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两个密切相关的Helicoverpa物种中属于天蚕亚科的水手样元素的鉴定

DOI:
10.1111/j.1744-7917.2010.01389.x
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发表时间:
2011
期刊:
影响因子:
4
通讯作者:
Yoonseong Park
Yoonseong Park
中科院分区:
农林科学1区
文献类型:
--
作者:
Jianjun Wang;T. Miller;Yoonseong Park

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Mariner转座子广泛存在于真核生物基因组中,并被用作昆虫转座子载体。我们检测了两个密切相关的螺旋虫物种,棉铃虫Helicoverpa armigera和玉米耳虫Helicoverpa zea,是否存在水手样元素(MLEs)。在棉铃虫中分离到Hamar1和Hamar2两个不同的MLE,并在棉铃虫中检测到一个与Hamar1高度保守的MLE,命名为Hzmar1。这些mle属于cecropia亚家族,在转座酶编码区含有索引。序列分析表明,Hamar1入侵较早,Hamar2活性较晚。
Abstract  Mariner transposons are widespread in eukaryote genomes and have been used as transposon vectors in insect transgenesis. We examined two closely related Helicoverpa species, the cotton bollworm Helicoverpa armigera and corn earworm Helicoverpa zea, for the presence of mariner‐like elements (MLEs). Multiple copies of two distinct MLEs, Hamar1 and Hamar2, were isolated in H. armigera, and a MLE showing a high degree of conservation to Hamar1 was detected in H. zea and was named Hzmar1. These MLEs belong to the cecropia subfamily, containing indels in the transposase coding region. Sequence analysis indicated the earlier invasion of Hamar1 and relatively recent activity of Hamar2.
DOI: --
发表时间: 1991-06
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