Internal Decay of Onions Caused by Enterobacter cloacae

Bishop, Andrew; Davis, R. M.

doi:10.1094/pd-74-0692

Cited by 44 publications

(31 citation statements)

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“…Two of these pathogens cause diseases in woody plants: E. cancerogenus causes poplar canker (Dickey and Zumoff 1988) and E. nimipressuralis causes elm wetwood disease (Carter 1964;Murdoch and Campana 1983). Variants of E. cloacae have been associated with internal yellowing disease of papaya (Nishijima et al 1987), internal decay of onion (Bishop and Davis 1990) and rhizome rot of ginger (Nishijima et al 2004). Recently it was reported that Enterobacter sakazakii (renamed Cronobacter sakazakii) (Iversen et al 2007) induces an atypical internal yellowing of papaya fruit in Hawaii (Keith et al 2008).…”

Section: Introductionmentioning

confidence: 99%

Identification and characterization of the Enterobacter complex causing mulberry (Morus alba) wilt disease in China

et al. 2009

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Mulberry wilt disease (MWD) was recently identified in Hangzhou, Zhejiang province, China. Typical symptoms of the disease are browning of vascular tissues, leaf wilt, defoliation, and tree decline. Unlike the symptoms of bacterial wilt disease caused by Ralstonia solanacearum, symptoms of MWD generally started from the bottom of the plants and moved upward. In inoculation experiments, four selected MWD strains caused mulberry shoot leaf wilt, discoloration, and defoliation. They also induced whole plant leaf wilt, defoliation and dark brown discoloration of vascular tissue. Based on Biolog metabolic profiles, fatty acid methyl ester analysis (FAME) and sequence analysis of the partial 16S rDNA and rpoB genes four MWD strains were identified as members of the genus Enterobacter. The 16S rDNA and rpoB gene sequences revealed a close relationship among two isolates, R2-2 and R6-2, and the E. asburiae type strain JCM6051. The isolates showed >98% similarity to E. asburiae JCM6051 in their rpoB gene. These results indicated that isolates R2-2 and R6-2 belonged to E. asburiae. No similarity in 16S rDNA sequences above 97% was found between either of the remaining isolates, R11-2 or R18-2, and any recognized Enterobacter species, suggesting that the two isolates may represent novel Enterobacter species. rpoB gene similarity values between the isolates and Enterobacter spp. type strains were <98%, providing further evidence that the two isolates may represent a novel species within the Enterobacter. The causal agent for MWD was previously reported to be E. cloacae, however, this study found that other Enterobacter spp. (E. asburiae and Enterobacter sp.) also cause MWD.

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Section: Introductionmentioning

confidence: 99%

Identification and characterization of the Enterobacter complex causing mulberry (Morus alba) wilt disease in China

et al. 2009

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“…Erwinia (Liao and Wells, 1987;Bishop and Davis, 1990;Agrios, 2005;Schroeder et al, 2009). However, Erwinia carotovora subsp.…”

Section: Author(s) Agree That This Article Remain Permanently Open Acmentioning

confidence: 99%

Detection and identification of bacterial soft rot of potato Pectobacterium carotovorum subsp. carotovorum using specific PCR primers in Jordan

Abu-Obeid¹,

Khlaif²,

Salem³

2017

Afr. J. Agric. Res.

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Potato soft rot is one of the major destructive diseases affecting potato plants throughout the world. In a survey of different potato growing seasons in different regions of Jordan, samples of rotten potato tubers were collected and 131 isolates identified biochemically as Pectobacterium carotovorum subsp. carotovorum (Pcc). The PCR primer pair (EXPCCR/EXPCCF) was used to detect these Jordanian isolates. The primer set amplified a single fragment of 550 bp in size from the total genomic DNA, which was extracted independently from 67 Pcc strains. In a nested PCR, the primer set (INPCCR/INPCCF) amplified the expected single fragment of 400 bp from the PCR product of first PCR amplification. The use of these primers was not reliable in detecting all isolates identified biochemically as Pcc. Different rots causal agents were detected by PCR amplification and further sequenced. The sequencing data revealed similarities to different genera; Pseudomonas, Enterobacteriaceae genera such as Enterobacter spp., Serratia spp. and Klebsiella spp., in addition to P. carotovorum subsp. carotovorum. So far this is the first study where Pcc has been identified by using PCR and sequencing approaches in Jordan.

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“…Beer, unpublished data). Enterobacter bulb decay caused by Enterobacter cloacae (Jordan) has been reported in Australia (Cother and Dowling, 1986), California (Bishop and Davis, 1990), Colorado (Schwartz and Otto, 2000), Washington (Schroeder et al, 2009(Schroeder et al, , 2010 and most recently in New York (Zaid et al, 2011). B. cepacia and E. cloacae rarely cause foliar symptoms, but they excel at rotting bulbs (Schwartz and Mohan, 2008).…”

Section: Bacterial Pathogensmentioning

confidence: 99%

OEM—A new medium for rapid isolation of onion-pathogenic and onion-associated bacteria

Zaid

Bonasera

Beer

2012

Journal of Microbiological Methods

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Internal Decay of Onions Caused by Enterobacter cloacae

Cited by 44 publications

References 0 publications

Identification and characterization of the Enterobacter complex causing mulberry (Morus alba) wilt disease in China

Identification and characterization of the Enterobacter complex causing mulberry (Morus alba) wilt disease in China

Detection and identification of bacterial soft rot of potato Pectobacterium carotovorum subsp. carotovorum using specific PCR primers in Jordan

OEM—A new medium for rapid isolation of onion-pathogenic and onion-associated bacteria

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