Identification and ecology of bacterial communities associated with necroses of three cactus species

To compare the bacterial communities residing in necrotic tissues of columnar cacti of the Sonoran Desert, isolates from 39 organ pipe, 19 saguaro, and 16 senita cacti were obtained. The isolates were clustered into 28 conspecific groups on the basis of their fatty acid profiles. The distributions o...

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Bibliographic Details
Published in:Applied and Environmental Microbiology 1993-01, Vol.59 (1), p.1-6
Main Authors: Foster, J.L.M. (Metropolitan State College of Denver, Denver, CO), Fogleman, J.C
Format: Article
Language:English
Subjects:
ACIDE GRAS
ACIDOS GRASOS
AGENT PATHOGENE
Animal, plant and microbial ecology
Animals
BACTERIA
Bacteria - chemistry
Bacteria - classification
Bacteria - isolation & purification
Biological and medical sciences
Biology
CACTACEAE
Cactus
Drosophila - microbiology
ECOLOGIA
ECOLOGIE
Ecology
Enterobacteriaceae - chemistry
Enterobacteriaceae - classification
Enterobacteriaceae - isolation & purification
ERWINIA
Fatty Acids - analysis
Fundamental and applied biological sciences. Psychology
IDENTIFICACION
IDENTIFICATION
Insect Vectors - microbiology
Microbial ecology
Microflora of plants
NECROSE
NECROSIS
ORGANISMOS PATOGENOS
Plant Diseases - microbiology
Pseudomonadaceae - chemistry
Pseudomonadaceae - classification
Pseudomonadaceae - isolation & purification
PSEUDOMONAS
Species Specificity
STAPHYLOCOCCUS
Staphylococcus - chemistry
Staphylococcus - classification
Staphylococcus - isolation & purification
STENOCEREUS
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Summary:To compare the bacterial communities residing in necrotic tissues of columnar cacti of the Sonoran Desert, isolates from 39 organ pipe, 19 saguaro, and 16 senita cacti were obtained. The isolates were clustered into 28 conspecific groups on the basis of their fatty acid profiles. The distributions of the individual bacterial isolates varied among cactus species. Seven of the 28 species groups were unique to a particular cactus species, whereas 8 species groups were found in all three cacti. The effective number of bacterial species for each cactus species was positively correlated with both the chemical complexity and glucose concentration of the plant tissues. The effective number of bacterial species and bacterial distribution patterns were compared with those known for communities of cactophilic yeasts. The observed bacterial distribution patterns are most likely due to differences in the chemical compositions of the three cactus species
ISSN:0099-2240
1098-5336
DOI:10.1128/aem.59.1.1-6.1993