Utility of microcosm studies for predicting phylloplane bacterium population sizes in the field

Article Abstract:

Microcosm studies differentiate between parental and recombinant strains of Pseudomonas syringae, but are limited in the ability to predict population sizes or preferred plant habitats of the bacteria under field conditions. For some plant species, population sizes of the bacteria recovered from leaves in the field are greater than those in a controlled environment, while for other species the population sizes in the field are smaller. A plant habitat's ability to support inoculated bacteria is correlated with its ability to support indigenous species.

Testing, Environmental aspects, Habitat (Ecology), Habitats, Host plants

---

Location and survival of leaf-associated bacteria in relation to pathogenicity and potential for growth within the leaf

Article Abstract:

Plant phytogenic bacteria showed better survival than the nonpathogens on leaves under environmental stress. Sizes of the total leaf-associated populations of the pathogenic Pseudomonas syringae strains were greater than those of the nonpathogens under dry conditions. These were gleaned from the comparison of the growth and survival of pathogenic and nonpathogenic P syringae strains and of the nonpathogenic species Pantoea agglomerans, Stenotrophomonas maltophilia, and Methylobacterium organophilum in the phyllosphere of bean.

Plant-pathogen relationships, Leaves, Bacteria, Pathogenic, Pathogenic bacteria, Bacteria, Phytopathogenic, Phytopathogenic bacteria

---

Relationship of total viable and culturable cells in epiphytic populations of Pseudomonas syringae

Article Abstract:

An examination of epiphytic populations of Pseudomonas syringae using a modified version of the direct viable count method is discussed. Two types of viable bacterial populations were determined using the plate count and the viable count method and were compared. The two counts were found to have a magnitude of difference between them. However, the viable bacterial population was accurately enumerated by the plate count method when that population was in a state of active growth.

Analysis, Usage, Evaluation, Cells (Biology), Cells, Epiphytes, Plate counts (Microbiology)

Similar abstracts:

• Abstracts: Comparison of identification systems for classification of bacteria isolated from water and endothilic habitats within the deep subsurface
• Abstracts: Isolation and characterization of a variety of microcystins from seven strains of the cyanobacterial genus Anabaena
• Abstracts: Analysis of proteins associated with growth of Bacteroides ovatus on the branched galactomannan guar gum. Glucose toxicity and inability of Bacteroides ruminicola to regulate glucosetrasport and utilization
• Abstracts: Molecular genetics of the Drosophila melanogaster ovo locus, a gene required for sex determination of germline cells
• Abstracts: Monoclonal antibodies that react with live Listeria spp. Rapid detection of salmonellae in poultry with the magnetic immuno-polymerase chain reaction assay

This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.