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Cited by 287

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A Collinearity-Incorporating Homology Inference Strategy for Connecting Emerging Assemblies in the Triticeae Tribe as a Pilot Practice in the Plant Pangenomic Era

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Chen, Yongming, Song, Wanjun, Xie, Xiaoming, Wang, Zihao, Guan, Panfeng, Peng, Huiru, Jiao, Yuannian, Ni, Zhongfu, Sun, Qixin, Guo, Weilong·2020·Molecular Plant

Abstract

Plant genome sequencing has dramatically increased, and some species even have multiple high-quality reference versions. Demands for clade-specific homology inference and analysis have increased in pangenomic era. We proposed a novel method, GeneTribe (https://chenym1.github.io/genetribe/), for homology inference among genetically similar genomes that incorporates gene collinearity and shows better performance than traditional sequence-similarity-based methods in terms of accuracy and scalability. The Triticeae tribe is a typical allopolyploid-rich clade with complex species relationships that includes many important crops such as wheat, barley, and rye. We then built Triticeae-GeneTribe (http://wheat.cau.edu.cn/TGT/) as a homology database, by integrating 12 Triticeae genomes and 3 outgroup model genomes and implemented versatile analysis and visualization functions. With macrocollinearity analysis, we were able to construct a refined model illustrating the structural rearrangements of the 4A-5A-7B chromosomes in wheat as two major translocation events. With collinearity analysis at both the macro- and microscale, we illustrated the complex evolutionary history of homologs of the wheat vernalization gene Vrn2 as a combined result of genome translocation, duplication, and polyploidization and gene loss events. Our work provides a useful practice for connecting emerging genome assemblies, with awareness of the extensive polyploidy in plants, and will help researchers efficiently exploit genome sequence resources.

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Metadata

Authors
Chen, Y., Song, W., Xie, X., Wang, Z., Guan, P., Peng, H., Jiao, Y., Ni, Z., Sun, Q., & Guo, W.
Venue
Molecular Plant
Publisher
Elsevier BV
Published
2020-12
Volume
13
Issue
12
Pages
1694-1708
ISSN
1674-2052 (ISSN-L)
OpenAlex
W3089071526
Cited by
287
References
62
FWCI
16.94
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: A Collinearity-Incorporating Homology Inference Strategy for Connecting Emerging Assemblies in the Triticeae Tribe as a Pilot Practice in the Plant Pangenomic Era. https://app.cochat.ai/papers/10.1016/j.molp.2020.09.019
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Chen, Y., Song, W., Xie, X., Wang, Z., Guan, P., Peng, H., Jiao, Y., Ni, Z., Sun, Q., & Guo, W. (2020). A Collinearity-Incorporating Homology Inference Strategy for Connecting Emerging Assemblies in the Triticeae Tribe as a Pilot Practice in the Plant Pangenomic Era. Molecular Plant. https://doi.org/10.1016/j.molp.2020.09.019

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