Simulating evolution trajectory of ruderal weeds by computational modeling

Li, Ling-Zi; Chang, Tiangen; Kang, Heng; Zhu, Xin‐Guang; Wang, Jia-Wei

doi:10.1093/plphys/kiad392

Cited by 1 publication

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“…The blue light receptor gene CRYPTOCHROME2 ( CRY2 ) is a rare QTL in A. thaliana . In a recent study of the evolution of the ruderal weed species Cardamine occulta , CRY2 was selected for photoperiod insensitivity, as well as FLC ( Li et al 2023a ; Li et al 2023b ). In addition, the photoreceptors PHYTOCHROME C ( PHYC ), PHYB , and CO are likely targets to explain phenotypic variation in other studies ( Balasubramanian et al 2006b ; Caicedo et al 2009 ; Salome et al 2011 ; Rosas et al 2014 ).…”

Section: Natural Variation Has Identified Critical Nodes Driving Flow...mentioning

confidence: 99%

Flowering time: From physiology, through genetics to mechanism

Maple,

Zhu,

Hepworth

et al. 2024

Plant Physiology

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Plant species have evolved different requirements for environmental/endogenous cues to induce flowering. Originally, these varying requirements were thought to reflect the action of different molecular mechanisms. Thinking changed when genetic and molecular analysis in Arabidopsis thaliana revealed that a network of environmental and endogenous signalling input pathways converge to regulate a common set of ‘floral pathway integrators’. Variation in the predominance of the different input pathways within a network can generate the diversity of requirements observed in different species. Many genes identified by flowering time mutants were found to encode general developmental and gene regulators, with their targets having a specific flowering function. Studies of natural variation in flowering were more successful at identifying genes acting as nodes in the network central to adaptation and domestication. Attention has now turned to mechanistic dissection of flowering time gene function and how that has changed during adaptation. This will inform breeding strategies for climate-proof crops and help define which genes act as critical flowering nodes in many other species.

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