関: E. carotovora、Pectobacterium carotovorum

WordNet

rod-shaped motile bacteria that attack plants

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2017/01/05 12:28:52」(JST)

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Pectobacterium carotovorum is a bacterium of the family Enterobacteriaceae; it used to be a member of the genus Erwinia.^[1]

The species is a plant pathogen with a diverse host range, including many agriculturally and scientifically important plant species. It produces pectolytic enzymes that hydrolyze pectin between individual plant cells. This causes the cells to separate, a disease plant pathologists term bacterial soft rot. Specifically, it causes beet vascular necrosis and blackleg of potato and other vegetables (hence the name carotovora – "carrot-eater"), as well as slime flux on many different tree species.^[1]

This bacterium is a ubiquitous plant pathogen with a wide host range (carrot, potato, tomato, leafy greens, squash and other cucurbits, onion, green peppers, African violets, etc.), able to cause disease in almost any plant tissue it invades. It is a very economically important pathogen in terms of postharvest losses, and a common cause of decay in stored fruits and vegetables. Decay caused by E. carotovora is often referred to as "bacterial soft rot" though this may also be caused by other bacteria. Most plants or plant parts can resist invasion by the bacteria, unless some type of wound is present. High humidity and temperatures around 30°C favor development of decay. Mutants can be produced which are less virulent. Virulence factors include: pectinases, cellulases, (which degrade plant cell walls), and also proteases, lipases, xylanases, and nucleases (along with the normal virulence factors for pathogens – Fe acquisition, LPS integrity, multiple global regulatory systems).

References

^ ^a ^b Toth, Ian K.; Bell, Kenneth S.; Holeva, Maria C.; Birch, Paul R. J. (1 January 2003). "Soft rot erwiniae: from genes to genomes". Molecular Plant Pathology. 4 (1): 17–30. doi:10.1046/j.1364-3703.2003.00149.x.

External links

"Pectobacterium carotovorum". National Center for Biotechnology Information (NCBI).
Type strain of Pectobacterium carotovorum at BacDive - the Bacterial Diversity Metadatabase

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Japanese Journal

ネギ軟腐病に対するプロベナゾール剤の効果的な散布体系

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植物防疫 65(6), 323-326,図巻頭1p, 2011-06
NAID 40018859744

ネギ軟腐病に対するプロベナゾール剤の効果的な散布体系について

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NAID 40017406201

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★リンクテーブル★

リンク元	「軟腐病菌」「E. carotovora」「Pectobacterium carotovorum」
関連記事	「Erwinia」

「軟腐病菌」

Pectobacterium carotovorum
	Slime flux on a Camperdown elm caused by Pectobacterium carotovorum
Scientific classification
Kingdom:	Bacteria
Phylum:	Proteobacteria
Class:	Gammaproteobacteria
Order:	Enterobacteriales
Family:	Enterobacteriaceae
Genus:	Pectobacterium
Species:	P. carotovorum
Binomial name
	Pectobacterium carotovorum; (Jones, 1901) Waldee, 1945
Synonyms
	Erwinia carotovora