Pan-genome bridges wheat structural variations with habitat and breeding (Record no. 61902)

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fixed length control field 02144nam a2200181Ia 4500
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control field MX-MdCICY
005 - DATE AND TIME OF LATEST TRANSACTION
control field 20251009160706.0
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Transcribing agency CICY
090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN)
Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-21811
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fixed length control field 251009s9999 xx 000 0 und d
245 10 - TITLE STATEMENT
Title Pan-genome bridges wheat structural variations with habitat and breeding
490 0# - SERIES STATEMENT
Series statement Nature, 637(8045), p.384-393, 2024
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General note Artículo
520 3# - SUMMARY, ETC.
Summary, etc. Wheat is the second largest food crop with a very good breeding system and pedigree record in China. Investigating the genomic footprints of wheat cultivars will unveil potential avenues for future breeding eforts1,2. Here we report chromosome-level genome assemblies of 17 wheat cultivars that chronicle the breeding history of China. Comparative genomic analysis uncovered a wealth of structural rearrangements, identifying 249,976 structural variations with 49.03percent (122,567) longer than 5 kb. Cultivars developed in 1980s displayed signifcant accumulations of structural variations, a pattern linked to the extensive incorporation of European and American varieties into breeding programmes of that era. We further proved that structural variations in the centromere-proximal regions are associated with a reduction of crossover events. We showed that common wheat evolved from spring to winter types via mutations and duplications of the VRN-A1 gene as an adaptation strategy to a changing environment. We confrmed shifts in wheat cultivars linked to dietary preferences, migration and cultural integration in Northwest China. We identifed large presence or absence variations of pSc200 tandem repeats on the 1RS terminal, suggesting its own rapid evolution in the wheat genome. The high-quality genome assemblies of 17 representatives developed and their good complementarity to the 10+ pan-genomes ofer a robust platform for future genomics-assisted breeding in wheat.
700 12 - ADDED ENTRY--PERSONAL NAME
Personal name Jiao, C.;Xie, X.;Hao, C.;Chen, L.;Xie, Y.;Garg, V.;Zhang, X.
856 40 - ELECTRONIC LOCATION AND ACCESS
Uniform Resource Identifier <a href="https://drive.google.com/file/d/1yVYXd79WLAFt18OY0v-OhMNP5J16SvPC/view?usp=drive_link">https://drive.google.com/file/d/1yVYXd79WLAFt18OY0v-OhMNP5J16SvPC/view?usp=drive_link</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 09.10.2025   B-21811 09.10.2025 09.10.2025 Documentos solicitados