دورية أكاديمية
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Fungal phytopathogens encode functional homologues of plant rapid alkalinization factor (RALF) peptides.

التفاصيل البيبلوغرافية
العنوان: Fungal phytopathogens encode functional homologues of plant rapid alkalinization factor (RALF) peptides.
المؤلفون: Thynne E; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Saur IML; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Simbaqueba J; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Ogilvie HA; Evolution, Ecology and Genetics Division, Research School of Biology, The Australian National University, Canberra, 2601, Australia.; Computational Evolution Group, The University of Auckland, Auckland, 1142, New Zealand., Gonzalez-Cendales Y; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Mead O; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Taranto A; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Catanzariti AM; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., McDonald MC; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Schwessinger B; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Jones DA; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Rathjen JP; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia., Solomon PS; Plant Sciences Division, The Australian National University, Canberra, 2601, Australia.
المصدر: Molecular plant pathology [Mol Plant Pathol] 2017 Aug; Vol. 18 (6), pp. 811-824. Date of Electronic Publication: 2016 Sep 19.
نوع المنشور: Journal Article; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Blackwell Science in collaboration with the British Society of Plant Pathology Country of Publication: England NLM ID: 100954969 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1364-3703 (Electronic) Linking ISSN: 13643703 NLM ISO Abbreviation: Mol Plant Pathol Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Oxford, UK : Blackwell Science in collaboration with the British Society of Plant Pathology, c2000-
مواضيع طبية MeSH: Fungal Proteins/*metabolism , Fusarium/*metabolism , Fusarium/*pathogenicity , Peptide Hormones/*metabolism , Plant Proteins/*metabolism, Fungal Proteins/genetics ; Fusarium/genetics ; Solanum lycopersicum/genetics ; Solanum lycopersicum/metabolism ; Solanum lycopersicum/microbiology ; Peptide Hormones/genetics ; Plant Proteins/genetics ; Seedlings/genetics ; Seedlings/metabolism ; Seedlings/microbiology ; Nicotiana/genetics ; Nicotiana/metabolism ; Nicotiana/microbiology
مستخلص: In this article, we describe the presence of genes encoding close homologues of an endogenous plant peptide, rapid alkalinization factor (RALF), within the genomes of 26 species of phytopathogenic fungi. Members of the RALF family are key growth factors in plants, and the sequence of the RALF active region is well conserved between plant and fungal proteins. RALF1-like sequences were observed in most cases; however, RALF27-like sequences were present in the Sphaerulina musiva and Septoria populicola genomes. These two species are pathogens of poplar and, interestingly, the closest relative to their respective RALF genes is a poplar RALF27-like sequence. RALF peptides control cellular expansion during plant development, but were originally defined on the basis of their ability to induce rapid alkalinization in tobacco cell cultures. To test whether the fungal RALF peptides were biologically active in plants, we synthesized RALF peptides corresponding to those encoded by two sequenced genomes of the tomato pathogen Fusarium oxysporum f. sp. lycopersici. One of these peptides inhibited the growth of tomato seedlings and elicited responses in tomato and Nicotiana benthamiana typical of endogenous plant RALF peptides (reactive oxygen species burst, induced alkalinization and mitogen-activated protein kinase activation). Gene expression analysis confirmed that a RALF-encoding gene in F. oxysporum f. sp. lycopersici was expressed during infection on tomato. However, a subsequent reverse genetics approach revealed that the RALF peptide was not required by F. oxysporum f. sp. lycopersici for infection on tomato roots. This study has demonstrated the presence of functionally active RALF peptides encoded within phytopathogens that harbour an as yet undetermined role in plant-pathogen interactions.
(© 2016 BSPP AND JOHN WILEY & SONS LTD.)
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فهرسة مساهمة: Keywords: Fusarium; phytopathogen effectors; rapid alkalinization factor (RALF)
المشرفين على المادة: 0 (Fungal Proteins)
0 (Peptide Hormones)
0 (Plant Proteins)
تواريخ الأحداث: Date Created: 20160614 Date Completed: 20171121 Latest Revision: 20231213
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC6638259
DOI: 10.1111/mpp.12444
PMID: 27291634
قاعدة البيانات: MEDLINE
الوصف
تدمد:1364-3703
DOI:10.1111/mpp.12444