Mapping diversity in African trypanosomes using high resolution spatial proteomics.

Mapping diversity in African trypanosomes using high resolution spatial proteomics.
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DOI:
10.1038/s41467-023-40125-z
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发表时间:
2023-07-21
影响因子:
16.6
通讯作者:
MacGregor, Paula
MacGregor, Paula
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Moloney, Nicola M.;Barylyuk, Konstantin;Tromer, Eelco;Crook, Oliver M.;Breckels, Lisa M.;Lilley, Kathryn S.;Waller, Ross F.;MacGregor, Paula

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非洲锥虫是真核寄生虫,对撒哈拉以南非洲造成严重的人类和兽医疾病负担。物种和生命周期阶段之间的多样性伴随着这个群体中不同的宿主和组织趋向性。在这里,两个非洲锥虫物种,布鲁氏锥虫和刚果锥虫的空间蛋白质组,绘制跨越两个生命阶段。四个结果数据集提供了每种细胞类型大约5500个蛋白质表达的证据。每种细胞类型超过2500种蛋白质被分类到特定的亚细胞区室,提供了四个全面的空间蛋白质组。比较分析揭示了寄生虫适应不同生物生态位的关键途径,并为这些病原体物种内部和物种之间的多样性提供了分子基础。寄生虫种类和生命阶段之间的分子多样性与它们感染的宿主的多样性或它们引起的病理有关。在这里,Moloney等人绘制了两种非洲锥虫物种在两个生命阶段的空间蛋白质组图,并确定了寄生适应的关键途径。
African trypanosomes are dixenous eukaryotic parasites that impose a significant human and veterinary disease burden on sub-Saharan Africa. Diversity between species and life-cycle stages is concomitant with distinct host and tissue tropisms within this group. Here, the spatial proteomes of two African trypanosome species, Trypanosoma brucei and Trypanosoma congolense, are mapped across two life-stages. The four resulting datasets provide evidence of expression of approximately 5500 proteins per cell-type. Over 2500 proteins per cell-type are classified to specific subcellular compartments, providing four comprehensive spatial proteomes. Comparative analysis reveals key routes of parasitic adaptation to different biological niches and provides insight into the molecular basis for diversity within and between these pathogen species. The molecular diversity between parasite species and life-stages correlate with diversity in the hosts they infect or the pathologies they cause. Here, Moloney et al., map the spatial proteomes of two African trypanosome species across two life stages and identify key routes of parasitic adaptation.
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