Long-range mobile signals mediate seasonal control of shoot growth

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Miskolczi, Pal CsabaSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology (author)

Long-range mobile signals mediate seasonal control of shoot growth

Article/chapterEnglish2019

Publisher, publication year, extent ...

2019-05-13
Proceedings of the National Academy of Sciences,2019
National Academy of Sciences,2024

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LIBRIS-ID:oai:slubar.slu.se:100554
https://res.slu.se/id/publ/100554URI
https://doi.org/10.1073/pnas.1902199116DOI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype
Subject category:art swepub-publicationtype

Notes

In perennial plants, seasonal shifts provide cues that control adaptive growth patterns of the shoot apex. However, where these seasonal cues are sensed and communicated to the shoot apex remains unknown. We demonstrate that systemic signals from leaves play key roles in seasonal control of shoot growth in model tree hybrid aspen. Grafting experiments reveal that the tree ortholog of Arabidopsis flowering time regulator FLOWERING LOCUS T (FT) and the plant hormone gibberellic acid (GA) systemically convey seasonal cues to the shoot apex. GA (unlike FT) also acts locally in shoot apex, downstream of FT in seasonal growth control. At the shoot apex, antagonistic factors-LAP1, a target of FT and the FT antagonist TERMINAL FLOWER 1 (TFL1) - act locally to promote and suppress seasonal growth, respectively. These data reveal seasonal changes perceived in leaves that are communicated to the shoot apex by systemic signals that, in concert with locally acting components, control adaptive growth patterns.

Subject headings and genre

NATURVETENSKAP Biologi Botanik hsv//swe
NATURAL SCIENCES Biological Sciences Botany hsv//eng

Added entries (persons, corporate bodies, meetings, titles ...)

Singh, RajeshSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology (author)
Tylewicz, SzymonSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology,University of Zürich(Swepub:slu)50360 (author)
Azeez, AbdulSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology,Michigan Technological University(Swepub:slu)49998 (author)
Maurya, Jay PrakashSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology (author)
Jonsson, KristofferSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology(Swepub:slu)49134 (author)
Bhalerao, Rishikesh P.Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för skoglig genetik och växtfysiologi,Department of Forest Genetics and Plant Physiology,Beijing Forestry University(Swepub:slu)48176 (author)
Sveriges lantbruksuniversitetInstitutionen för skoglig genetik och växtfysiologi (creator_code:org_t)
Sveriges lantbruksuniversitet

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In:Proceedings of the National Academy of Sciences of the United States of America: Proceedings of the National Academy of Sciences116, s. 10852-108570027-84241091-6490

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By the author/editor: Miskolczi, Pal C ...; Singh, Rajesh; Tylewicz, Szymon; Azeez, Abdul; Maurya, Jay Prak ...; Jonsson, Kristof ...; show more...; Bhalerao, Rishik ...; show less...

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NATURAL SCIENCES: NATURAL SCIENCES; and Biological Scien ...; and Botany

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By the university: Swedish University of Agricultural Sciences

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