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231225s2005 xx |||||o 00| ||eng c |
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|a 10.1094/PD-89-1273
|2 doi
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|a pubmed24n0980.xml
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|a (NLM)30791304
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|a DE-627
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| 041 |
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|a eng
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| 100 |
1 |
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|a Keith, Lisa M
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Isolation and Characterization of Burkholderia gladioli from Orchids in Hawaii
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| 264 |
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|c 2005
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Revised 20.11.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Bacterial diseases of orchids continue to be serious problems. Bacterial strains were isolated from orchid plants exhibiting disease symptoms in Hawaii. Small to large leaf spots with or without water-soaking or soft rots were observed on various orchid genera, including Dendrobium, Oncidium, and Miltonia spp. and hybrids. Bacteria isolated and cultured from the lesions were tentatively identified using analytical profile index (API) strips and standard physiological and biochemical tests, and confirmed by species-specific polymerase chain reaction and sequencing of the 16S rRNA gene. The variation in pathogenic, morphological, cultural, and molecular characteristics of the orchid isolates also was evaluated. In our studies, a gramnegative, aerobic, rod-shaped bacterium that produced pale yellow, opaque, round colonies with entire margins on nutrient broth yeast extract agar (NBY) was isolated consistently from diseased orchid plants. On yeast dextrose calcium carbonate agar, the isolates produced brownishyellow, nonmucoid colonies, with the majority of the strains secreting a diffusible yellow or tan pigment into the media. The bacterium was identified as Burkholderia gladioli. Molecular analysis indicated very little diversity in the 16S rDNA gene. Testing B. gladioli isolates using media containing copper or streptomycin indicated varying levels of resistance (copper resistant = Cur; streptomycin resistant, Smr), with approximately 75% of the strains resistant to copper and 94% of the strains resistant to streptomycin. The minimum inhibitory concentration (MIC) of cupric sulfate among Cur strains ranged from 50 to 1,000 μg/ml and the MIC of streptomycin was 50 to 100 μg/ml for all Smr B. gladioli strains tested. Field and laboratory data suggest the frequent use of these chemicals in nurseries may have inadvertently resulted in the development of copper and streptomycin resistance in B. gladioli from orchids
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| 650 |
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4 |
|a Journal Article
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| 700 |
1 |
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|a Sewake, Kelvin T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zee, Francis T
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Plant disease
|d 1997
|g 89(2005), 12 vom: 02. Dez., Seite 1273-1278
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnns
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| 773 |
1 |
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|g volume:89
|g year:2005
|g number:12
|g day:02
|g month:12
|g pages:1273-1278
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| 856 |
4 |
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|u http://dx.doi.org/10.1094/PD-89-1273
|3 Volltext
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| 912 |
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|d 89
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|h 1273-1278
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