Phytohormone signaling in arbuscular mycorhiza development.
Identifieur interne : 001858 ( Main/Corpus ); précédent : 001857; suivant : 001859Phytohormone signaling in arbuscular mycorhiza development.
Auteurs : Caroline GutjahrSource :
- Current opinion in plant biology [ 1879-0356 ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Plant Growth Regulators.
- growth & development : Mycorrhizae.
- microbiology : Plants.
- physiology : Fungi.
- Signal Transduction, Symbiosis.
Abstract
To establish arbuscular mycorhiza (AM) symbiosis glomeromycotan fungi colonize the interior of roots. This process is associated with developmental changes of root cells as well as fungal hyphae. The formation of fungal colonization-structures and the extent of root colonization are largely under plant control, depending on environmental conditions and the resulting physiological state of the host. Phytohormone signaling pathways are currently emerging as important regulators of AM development. Root exuded strigolactones activate AM fungi before colonization and a host strigolactone receptor component is required for AM development. Auxin quantitatively influences AM colonization and might perform an additional cell-autonomous function in the promotion of arbuscule development. Gibberellin signaling inhibits AM and conversely DELLA proteins are required for AM formation. Given the importance of phytohormone signaling in plant developmental responses to the environment it can be predicted that elucidating how phytohormones regulate AM development will provide a lead into understanding how plants orchestrate AM symbiosis with their physiological needs under changing environmental conditions.
DOI: 10.1016/j.pbi.2014.04.003
PubMed: 24853646
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pubmed:24853646Le document en format XML
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Electronic address: caroline.gutjahr@lmu.de.</nlm:affiliation></affiliation></author></analytic><series><title level="j">Current opinion in plant biology</title><idno type="eISSN">1879-0356</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Fungi (physiology)</term><term>Mycorrhizae (growth & development)</term><term>Plant Growth Regulators (metabolism)</term><term>Plants (microbiology)</term><term>Signal Transduction (MeSH)</term><term>Symbiosis (MeSH)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Plant Growth Regulators</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Mycorrhizae</term></keywords><keywords scheme="MESH" qualifier="microbiology" xml:lang="en"><term>Plants</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fungi</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Signal Transduction</term><term>Symbiosis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">To establish arbuscular mycorhiza (AM) symbiosis glomeromycotan fungi colonize the interior of roots. This process is associated with developmental changes of root cells as well as fungal hyphae. The formation of fungal colonization-structures and the extent of root colonization are largely under plant control, depending on environmental conditions and the resulting physiological state of the host. Phytohormone signaling pathways are currently emerging as important regulators of AM development. Root exuded strigolactones activate AM fungi before colonization and a host strigolactone receptor component is required for AM development. Auxin quantitatively influences AM colonization and might perform an additional cell-autonomous function in the promotion of arbuscule development. Gibberellin signaling inhibits AM and conversely DELLA proteins are required for AM formation. Given the importance of phytohormone signaling in plant developmental responses to the environment it can be predicted that elucidating how phytohormones regulate AM development will provide a lead into understanding how plants orchestrate AM symbiosis with their physiological needs under changing environmental conditions.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">24853646</PMID><DateCompleted><Year>2015</Year><Month>04</Month><Day>21</Day></DateCompleted><DateRevised><Year>2014</Year><Month>08</Month><Day>25</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Electronic">1879-0356</ISSN><JournalIssue CitedMedium="Internet"><Volume>20</Volume><PubDate><Year>2014</Year><Month>Aug</Month></PubDate></JournalIssue><Title>Current opinion in plant biology</Title><ISOAbbreviation>Curr Opin Plant Biol</ISOAbbreviation></Journal><ArticleTitle>Phytohormone signaling in arbuscular mycorhiza development.</ArticleTitle><Pagination><MedlinePgn>26-34</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1016/j.pbi.2014.04.003</ELocationID><ELocationID EIdType="pii" ValidYN="Y">S1369-5266(14)00050-8</ELocationID><Abstract><AbstractText>To establish arbuscular mycorhiza (AM) symbiosis glomeromycotan fungi colonize the interior of roots. This process is associated with developmental changes of root cells as well as fungal hyphae. The formation of fungal colonization-structures and the extent of root colonization are largely under plant control, depending on environmental conditions and the resulting physiological state of the host. Phytohormone signaling pathways are currently emerging as important regulators of AM development. Root exuded strigolactones activate AM fungi before colonization and a host strigolactone receptor component is required for AM development. Auxin quantitatively influences AM colonization and might perform an additional cell-autonomous function in the promotion of arbuscule development. Gibberellin signaling inhibits AM and conversely DELLA proteins are required for AM formation. Given the importance of phytohormone signaling in plant developmental responses to the environment it can be predicted that elucidating how phytohormones regulate AM development will provide a lead into understanding how plants orchestrate AM symbiosis with their physiological needs under changing environmental conditions.</AbstractText><CopyrightInformation>Copyright © 2014 Elsevier Ltd. All rights reserved.</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Gutjahr</LastName><ForeName>Caroline</ForeName><Initials>C</Initials><AffiliationInfo><Affiliation>Faculty of Biology, Genetics, University of Munich (LMU), Großhaderner Str. 2-4, 82152 Martinsried, Germany. 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