The mini-exon gene: a molecular marker for Endotrypanum schaudinni

The mini-exon gene: a molecular marker for Endotrypanum schaudinni
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迷你外显子基因:Endotrypanum shaudinni 的分子标记

DOI:
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发表时间:
1993
期刊:
影响因子:
2.4
通讯作者:
D. Campbell
D. Campbell
中科院分区:
医学2区
文献类型:
--
作者:
O. Fernandes;W. Degrave;D. Campbell

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摘要利用聚合酶链反应(PCR)技术扩增了三种不同的Schaudinni内锥菌(Endotrypanum schaudinni)菌株的小外显子基因重复序列。克隆产物的序列分析显示,两个菌株(LV 86和M6159)的基因和基因间区是相同的;第三个菌株(LV59)的小外显子基因的基因间区是显着不同的。LV 86基因和来自LV59小外显子基因的基因间探针不与来自新世界利什曼原虫种的小外显子基因交叉杂交。这些数据为PCR检测大肠杆菌提供了基础。schaudinni和区分新世界利什曼原虫种,并应适用于昆虫媒介和哺乳动物水库的流行病学研究。在大肠杆菌中发现了两个不同的小外显子重复序列。Schaudinni分离物指示该物种内的进一步菌株变异。
Summary The mini-exon gene repeats from three different strains of Endotrypanum schaudinni have been amplified by the polymerase chain reaction (PCR). Sequence analysis of the cloned products shows the gene and intergenic region to be identical in two of the strains (LV86 and M6159); the intergenic region from the mini-exon gene of the third strain (LV59) is significantly different. The LV86 gene and an intergenic probe from the LV59 mini-exon gene do not cross-hybridize with the mini-exon gene from New World Leishmania species. These data provide the basis of a PCR assay to detect E. schaudinni and distinguish it from New World Leishmania species, and which should be applicable to epidemiological studies in insect vectors and mammalian reservoirs. The identification of two different mini-exon gene repeats in E. schaudinni isolates is indicative of further strain variation within this species.
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DOI: 10.1111/j.1550-7408.1989.tb05526.x
发表时间: 1989
期刊: The Journal of protozoology
影响因子: --
作者:
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通讯作者: McMahon-Pratt,D
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