J
Jo Hepworth
Researcher at John Innes Centre
Publications - 18
Citations - 1252
Jo Hepworth is an academic researcher from John Innes Centre. The author has contributed to research in topics: Arabidopsis & Flowering Locus C. The author has an hindex of 9, co-authored 18 publications receiving 979 citations. Previous affiliations of Jo Hepworth include University of York & Norwich Research Park.
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Journal ArticleDOI
Strigolactones enhance competition between shoot branches by dampening auxin transport.
Scott Crawford,Naoki Shinohara,Tobias Sieberer,Lisa Williamson,Gilu George,Jo Hepworth,Dörte Müller,Malgorzata A. Domagalska,Ottoline Leyser +8 more
TL;DR: The branching phenotype of mutants in the Arabidopsis P450 family member, MAX1, can be fully rescued by strigolactone addition, suggesting that MAX1 acts in SL synthesis, and it is demonstrated that SLs modulate polar auxin transport to control branching.
Journal ArticleDOI
Rice cytochrome P450 MAX1 homologs catalyze distinct steps in strigolactone biosynthesis
Yanxia Zhang,Aalt D. J. van Dijk,Adrian Scaffidi,Gavin R. Flematti,Manuel Hofmann,Tatsiana Charnikhova,Francel W.A. Verstappen,Jo Hepworth,Sander van der Krol,Ottoline Leyser,Steven M. Smith,Binne Zwanenburg,Salim Al-Babili,Carolien Ruyter-Spira,Harro J. Bouwmeester +14 more
TL;DR: It is reported that two members of CYP711 enzymes can catalyze two distinct steps in SL biosynthesis, identifying the first enzymes involved in B-C ring closure and a subsequent structural diversification step of SLs.
Journal ArticleDOI
Natural variation of rice strigolactone biosynthesis is associated with the deletion of two MAX1 orthologs
Catarina Cardoso,Yanxia Zhang,Muhammad Jamil,Jo Hepworth,Tatsiana Charnikhova,S. O. N Dimkpa,Caroline Meharg,Mark Wright,Junwei Liu,Xiangbing Meng,Yonghong Wang,Jiayang Li,Susan R. McCouch,Ottoline Leyser,Ottoline Leyser,Adam H. Price,Harro J. Bouwmeester,Carolien Ruyter-Spira +17 more
TL;DR: A genomic polymorphism—associated with the Indica/Japonica subspecies divide in rice that has a major impact on the biosynthesis of strigolactones, plant tillering, and germination of the parasitic plant Striga hermonthica is described.
Journal ArticleDOI
Regulation of plant lateral-organ growth by modulating cell number and size.
Jo Hepworth,Michael Lenhard +1 more
TL;DR: Understanding of how genetic pathways modulate cell proliferation and cell expansion to determine organ sizes and shapes is increased, and components of the general machinery in eukaryotic cells have been identified as having important roles in growth control.
Journal ArticleDOI
A Role for MORE AXILLARY GROWTH1 (MAX1) in Evolutionary Diversity in Strigolactone Signaling Upstream of MAX2
TL;DR: A phylogenetic analysis of the MAX/D genes to clarify the relationships of each gene with its wider family and to allow the correlation of events in the evolution of the genes with the Evolution of SL function suggests the notion of a distinct SL pathway is inappropriate.