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Devos, K.M.* ; Qi, P.* ; Bahri, B.A.* ; Gimode, D.M.* ; Jenike, K.* ; Manthi, S.J.* ; Lulé, D.* ; Lux, T. ; Martinez-Bello, L.* ; Pendergast, T.H.* ; Plott, C.* ; Saha, D.* ; Sidhu, G.S.* ; Sreedasyam, A.* ; Wang, X.* ; Wang, H.* ; Wright, H.* ; Zhao, J.* ; Deshpande, S.* ; de Villiers, S.* ; Dida, M.M.* ; Grimwood, J.* ; Jenkins, J.* ; Lovell, J.* ; Mayer, K.F.X. ; Mneney, E.E.* ; Ojulong, H.F.* ; Schatz, M.C.* ; Schmutz, J.* ; Song, B.* ; Tesfaye, K.* ; Odeny, D.A.*

Genome analyses reveal population structure and a purple stigma color gene candidate in finger millet.

Nat. Commun. 14:3694 (2023)
Postprint Publ. Version/Full Text DOI PMC
Open Access Gold
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Finger millet is a key food security crop widely grown in eastern Africa, India and Nepal. Long considered a ‘poor man’s crop’, finger millet has regained attention over the past decade for its climate resilience and the nutritional qualities of its grain. To bring finger millet breeding into the 21st century, here we present the assembly and annotation of a chromosome-scale reference genome. We show that this ~1.3 million years old allotetraploid has a high level of homoeologous gene retention and lacks subgenome dominance. Population structure is mainly driven by the differential presence of large wild segments in the pericentromeric regions of several chromosomes. Trait mapping, followed by variant analysis of gene candidates, reveals that loss of purple coloration of anthers and stigma is associated with loss-of-function mutations in the finger millet orthologs of the maize R1/B1 and Arabidopsis GL3/EGL3 anthocyanin regulatory genes. Proanthocyanidin production in seed is not affected by these gene knockouts.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Switchgrass Panicum-virgatum; Transcription Factors; Expression Analysis; Efficient Tool; Sequence; Maize; Evolution; Biosynthesis; Alignment; Software
Language english
Publication Year 2023
HGF-reported in Year 2023
ISSN (print) / ISBN 2041-1723
e-ISSN 2041-1723
Journal Nature Communications
Quellenangaben Volume: 14, Issue: 1, Pages: , Article Number: 3694 Supplement: ,
Publisher Nature Publishing Group
Publishing Place London
Reviewing status Peer reviewed
Institute(s) Research Unit Plant Genome and Systems Biology (PGSB)
POF-Topic(s) 30202 - Environmental Health
Research field(s) Environmental Sciences
PSP Element(s) G-503500-002
Grants Office of Science of the US Department of Energy
United States-India Educational Foundation (USIEF) Fulbright Nehru Senior Research Fellowship
Consortium of International Agricultural Research Centers (CGIAR) - Dryland Cereals partnership funds
National Science Foundation - Basic Research to Enable Agricultural Development (NSF-BREAD)
DOI 10.1038/s41467-023-38915-6
WOS ID 001012502600014
Scopus ID 85162884961
PubMed ID 37344528
Erfassungsdatum 2023-10-18
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