Pantoea agglomerans

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Gram stain of Pantoea agglomerans under 1000 magnification
Pantoea agglomerans
Scientific classification
Kingdom: Bacteria
Phylum: Proteobacteria
Class: Gamma Proteobacteria
Order: Enterobacteriales
Family: Enterobacteriaceae
Genus: Pantoea
Binomial name
Pantoea agglomerans
(Ewing and Fife 1972)
Gavini et al. 1989
Type strain
ATCC 27155
CCUG 539
CDC 1461-67
CFBP 3845
CIP 57.51
DSM 3493
ICPB 3435
ICMP 12534
JCM 1236
LMG 1286
NCTC 9381

Enterobacter agglomerans Ewing and Fife 1972
Bacillus agglomerans Beijerinck 1888
Erwinia herbicola (Löhnis 1911) Dye 1964
Bacterium herbicola Löhnis 1911
Bacterium herbicola Geilinger 1921
Pseudomonas herbicola (Geilinger 1921) de’Rossi 1927
Corynebacterium beticola Abdou 1969
Pseudomonas trifolii Huss

Pantoea agglomerans is a Gram-negative bacterium that belongs to the family Enterobacteriaceae.

Formerly called Enterobacter agglomerans, this bacterium is known to be an opportunistic pathogen in the immunocompromised, causing wound, blood, and urinary-tract infections. It is commonly isolated from plant surfaces, seeds, fruit (e.g. mandarin oranges), and animal or human feces.

It is difficult to differentiate Pantoea spp. from other members of this family, such as Enterobacter, Klebsiella, and Serratia species. However, Pantoea does not utilize the amino acids lysine, arginine, and ornithine, a characteristic that sets it apart from the other genera. (Winn, et al.; "Koneman's Color Atlas and Textbook of Diagnostic Microbiology", Sixth Edition, 2006: Lippincott, Williams, and Wilkins)

Pantoea agglomerans is found in the gut of locusts, which have adapted to use the guaiacol that Pantoea agglomerans produces to initiate swarming of locusts.[1]

It is also commonly found as a symbiont in the gut of mosquitoes, where it has been genetically engineered to produce antimalaria effector molecules, reducing the prevalence of Plasmodium by up to 98% [2]