Endophytic colonization of Vitis vinifera L. by Burkholderia phytofirmans strain PsJN: from the rhizosphere to inflorescence tissues.

Endophytic colonization of Vitis vinifera L. by Burkholderia phytofirmans strain PsJN: from the rhizosphere to inflorescence tissues. Research Abstract Details 

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Endophytic colonization of Vitis vinifera L. by Burkholderia phytofirmans strain PsJN: from the rhizosphere to inflorescence tissues. Abstract Text:

Compant, Kaplan,Angela Sessitsch,Jerzy Nowak, Ait Barka,Christophe , Compant, Kaplan,Angela Sessitsch,Jerzy Nowak, Ait Barka,Christophe ,

The colonization pattern of Vitis vinifera L. by Burkholderia phytofirmans strain PsJN was determined using grapevine fruiting cuttings with emphasis on putative inflorescence colonization under nonsterile conditions. Two-week-old rooted plants harbouring flower bud initials, grown in nonsterile soil, were inoculated with PsJN:gfp2x. Plant colonization was subsequently monitored at various times after inoculation with plate counts and epifluorescence and/or confocal microscopy. Strain PsJN was chronologically detected on the root surfaces, in the endorhiza, inside grape inflorescence stalks, not inside preflower buds and flowers but rather as an endophyte inside young berries. Data demonstrated low endophytic populations of strain PsJN in inflorescence organs, i.e. grape stalks and immature berries with inconsistency among plants for bacterial colonization of inflorescences. Nevertheless, endophytic colonization of inflorescences by strain PsJN was substantial for some plants. Microscopic analysis revealed PsJN as a thriving endophyte in inflorescence organs after the colonization process. Strain PsJN was visualized colonizing the root surface, entering the endorhiza and spreading to grape inflorescence stalks, pedicels and then to immature berries through xylem vessels. In parallel to these observations, a natural microbial communities was also detected on and inside plants, demonstrating the colonization of grapevine by strain PsJN in the presence of other microorganisms.

Endophytic colonization of Vitis vinifera L. by Burkholderia phytofirmans strain PsJN: from the rhizosphere to inflorescence tissues. Publishing Authors By Initials

S Compant,H Kaplan,A Sessitsch,J Nowak,E Ait Barka,C ,S Compant,H Kaplan,A Sessitsch,J Nowak,E Ait Barka,C ,

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Endophytic colonization of Vitis vinifera L. by Burkholderia phytofirmans strain PsJN: from the rhizosphere to inflorescence tissues. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: FEMS microbiology ecology

VOLUME: 63

Page Numbers: 84-93

Journal Abbreviation: FEMS Microbiol. Ecol.

ISSN: 0168-6496

DAY: 17

MONTH: Jan

YEAR: 2008

Endophytic colonization of Vitis vinifera L. by Burkholderia phytofirmans strain PsJN: from the rhizosphere to inflorescence tissues. Information

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LANGUAGE: eng

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AFFILIATION: Laboratoire de Stress, Défenses et Reproduction des Plantes, Unité de Recherche Vignes et Vins de Champagne, UFR Sciences, Université de Reims Champagne-Ardenne, Reims Cédex, France.

Country: England

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MEDLINETA: FEMS Microbiol Ecol

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