دورية أكاديمية
أعرض في EDS

Organ-specific phytohormone synthesis in two Geranium species with antithetical responses to far-red light enrichment.

التفاصيل البيبلوغرافية
العنوان: Organ-specific phytohormone synthesis in two Geranium species with antithetical responses to far-red light enrichment.
المؤلفون: Gommers CMM; Plant Ecophysiology Institute of Environmental Biology Utrecht University Utrecht The Netherlands.; Plant Development and Signal Transduction Program Center for Research in Agricultural Genomics (CRAG) Barcelona Spain., Buti S; Plant Ecophysiology Institute of Environmental Biology Utrecht University Utrecht The Netherlands., Tarkowská D; Laboratory of Growth Regulators Centre of the Region Haná for Biotechnological and Agricultural Research Institute of Experimental Botany ASCR Faculty of Science Palacký University Olomouc Czechia., Pěnčík A; Laboratory of Growth Regulators Centre of the Region Haná for Biotechnological and Agricultural Research Institute of Experimental Botany ASCR Faculty of Science Palacký University Olomouc Czechia., Banda JP; Plant Ecophysiology Institute of Environmental Biology Utrecht University Utrecht The Netherlands.; Present address: Centre for Plant Integrative Biology School of Biosciences University of Nottingham Sutton Bonington UK., Arricastres V; Plant Ecophysiology Institute of Environmental Biology Utrecht University Utrecht The Netherlands., Pierik R; Plant Ecophysiology Institute of Environmental Biology Utrecht University Utrecht The Netherlands.
المصدر: Plant direct [Plant Direct] 2018 Aug 21; Vol. 2 (8), pp. e00066. Date of Electronic Publication: 2018 Aug 21 (Print Publication: 2018).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: John Wiley & Sons Ltd Country of Publication: England NLM ID: 101716131 Publication Model: eCollection Cited Medium: Internet ISSN: 2475-4455 (Electronic) Linking ISSN: 24754455 NLM ISO Abbreviation: Plant Direct Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: [Oxford, U.K.] : John Wiley & Sons Ltd., [2017]-
مستخلص: Plants growing in high densities experience a reduced red (R) to far-red (FR) light ratio and shade-intolerant species respond with accelerated elongation growth to reach the top of the canopy: the shade avoidance syndrome (SAS). FR-enriched light inactivates phytochrome photoreceptors, which results in subsequent action of several plant hormones regulating growth. SAS is adaptive for shade-intolerant plants, but is suppressed in shade-tolerant plant species. Inspired by a previously published transcriptome analysis, we use two species of the genus Geranium here to study the involvement of auxin, brassinosteroids (BRs), and gibberellins (GAs) in supplemental FR-induced elongation growth. G. pyrenaicum , a shade-avoiding species, strongly induces auxin and gibberellin levels, but not BR, in elongating petioles. We show that, in this species, FR light perception, hormone synthesis, and growth are local and restricted to the petiole, and not the leaf lamina. Using chemical hormone inhibitors, we confirm the essential role of auxin and GAs in supplemental FR-induced elongation growth. Shade-tolerant G. robertianum does not display the change in hormone levels upon FR light enrichment, resulting in the lack of a shade avoidance response.
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فهرسة مساهمة: Keywords: Geranium; auxin; brassinosteroids; gibberellins; phytochrome signaling; shade avoidance
تواريخ الأحداث: Date Created: 20190628 Latest Revision: 20231011
رمز التحديث: 20231011
مُعرف محوري في PubMed: PMC6508794
DOI: 10.1002/pld3.66
PMID: 31245741
قاعدة البيانات: MEDLINE
الوصف
تدمد:2475-4455
DOI:10.1002/pld3.66