Plant Defensin type 1 (PDF1) protein promiscuity and expression variation within the Arabidopsis genus shed light on zinc tolerance acquisition in Arabidopsis halleri

Plant Defensin type 1 (PDF1) : protein promiscuity and expression variation within the Arabidopsis genus shed light on zinc tolerance acquisition in Arabidopsis halleri

No claim to original French government works. New Phytologist © 2013 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 200(2013), 3 vom: 17. Nov., Seite 820-833
1. Verfasser: Shahzad, Zaigham (VerfasserIn)
Weitere Verfasser: Ranwez, Vincent, Fizames, Cécile, Marquès, Laurence, Le Martret, Bénédicte, Alassimone, Julien, Godé, Cécile, Lacombe, Eric, Castillo, Teddy, Saumitou-Laprade, Pierre, Berthomieu, Pierre, Gosti, Françoise
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Arabidopsis genus Arabidopsis halleri Plant Defensin type 1 biotic and abiotic stresses comparative genomics gene duplication orthologues paralogues mehr... zinc (Zn) tolerance Arabidopsis Proteins Defensins PDF1 protein, Arabidopsis Zinc J41CSQ7QDS
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520 |a No claim to original French government works. New Phytologist © 2013 New Phytologist Trust. 
520 |a Plant defensins are recognized for their antifungal properties. However, a few type 1 defensins (PDF1s) were identified for their cellular zinc (Zn) tolerance properties after a study of the metal extremophile Arabidopsis halleri. In order to investigate whether different paralogues would display specialized functions, the A. halleri PDF1 family was characterized at the functional and genomic levels. Eleven PDF1s were isolated from A. halleri. Their ability to provide Zn tolerance in yeast cells, their activity against Fusarium oxysporum f. sp. melonii, and their level of expression in planta were compared with those of the seven A. thaliana PDF1s. The genomic organization of the PDF1 family was comparatively analysed within the Arabidopsis genus. AhPDF1s and AtPDF1s were able to confer Zn tolerance and AhPDF1s also displayed antifungal activity. PDF1 transcripts were constitutively more abundant in A. halleri than in A. thaliana. Within the Arabidopsis genus, the PDF1 family is evolutionarily dynamic, in terms of gain and loss of gene copy. Arabidopsis halleri PDF1s display no superior abilities to provide Zn tolerance. A constitutive increase in AhPDF1 transcript accumulation is proposed to be an evolutionary innovation co-opting the promiscuous PDF1 protein for its contribution to Zn tolerance in A. halleri 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Arabidopsis genus 
650 4 |a Arabidopsis halleri 
650 4 |a Plant Defensin type 1 
650 4 |a biotic and abiotic stresses 
650 4 |a comparative genomics 
650 4 |a gene duplication 
650 4 |a orthologues 
650 4 |a paralogues 
650 4 |a zinc (Zn) tolerance 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Defensins  |2 NLM 
650 7 |a PDF1 protein, Arabidopsis  |2 NLM 
650 7 |a Zinc  |2 NLM 
650 7 |a J41CSQ7QDS  |2 NLM 
700 1 |a Ranwez, Vincent  |e verfasserin  |4 aut 
700 1 |a Fizames, Cécile  |e verfasserin  |4 aut 
700 1 |a Marquès, Laurence  |e verfasserin  |4 aut 
700 1 |a Le Martret, Bénédicte  |e verfasserin  |4 aut 
700 1 |a Alassimone, Julien  |e verfasserin  |4 aut 
700 1 |a Godé, Cécile  |e verfasserin  |4 aut 
700 1 |a Lacombe, Eric  |e verfasserin  |4 aut 
700 1 |a Castillo, Teddy  |e verfasserin  |4 aut 
700 1 |a Saumitou-Laprade, Pierre  |e verfasserin  |4 aut 
700 1 |a Berthomieu, Pierre  |e verfasserin  |4 aut 
700 1 |a Gosti, Françoise  |e verfasserin  |4 aut 
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