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Research has been conducted on Sinorhizobium meliloti. The isolation of this bacterium from nodules and soil has been carried out and the results indicate the presence of recombination but disequilibrium between its megaplasmids and chromosomes.

Research has been conducted on the human gut-derived lactic acid bacteria and bifidobacteria. The effect of these bacteria on cholesterol levels has been investigated and the results are reported.

Research has been conducted on the fungal cutinase and yeast esterase. The role of these enzymes in butyl benzyl phthalate degradation has been investigated and the details are reported.

Research has been conducted on N (sub)2 fixation in heterocystous cyanobacteria. The models developed to fit N (sub)2 fixation-versus-irradiance curves best have been investigated and described.

Research has been conducted on the s-triazine herbicides. Results indicate that these herbicides hydrolytically displace chloride and amino substituents of 2-chloro-4,6-diamino-s-triazine.

Research has been conducted on the gram-negative and gram-positive bacteria's ability to regulate gene expression via quorum sensing. The role of quorum sensing in production of autoinducer-2 by these organisms in foods has been investigated and the details are reported.

Research has been conducted on Xylella fastidiosa. The disruption of genes via homologous recombination has been carried out to produce mutants in X. fastidiosa by site-directed gene disruption and the details are reported.

Research has been conducted on Shewanella organisms. The use of sodium dodecyl sulfate-polyacrylamide gel electrophoresis with silver staining and electron spectroscopy in detecting and characterizing Shewanella lipopolysaccharides is described.

Research has been conducted on the hypervirulent Mycobacterium tuberculosis. The use of the nose-only aerosol apparatus which delivers a low dose of M. tuberculosis in a biohazard facility to maximize safety is described.

Research has been conducted on Weissella confusa strain PL9001. Results indicate that this strain is a probiotic which can reduce Helicobacter pylori's infectivity and persistence.

Research has been conducted on the hematophagous glossiphoniid leeches. The symbiotic bacteria associated with these leeches have been characterized and the results of this molecular characterization are reported.

Research has been conducted on the dissimilatory iron-reducing bacteria. The use of microautoradiography and luorescence in situ hybridization for enumeration and phylogenetic characterization of these bacteria in activated sludge is described.

Research has been conducted on the role of water insects as Mycobacterium ulcerans host. Results indicate that M. ulcerans can be transmitted to the laboratory mice via the aquatic bug bite.

Research has been conducted on the bacterial strains resisting and reducing selenite and tellurite concentrations. The isolation, characterization and enumeration of the physiological properties of these strains have been carried out and the details are reported.

Research has been conducted on biosensors. The effect of bacterial growth and bacterial species conditions on water deprivation and the ability of biosensors to detect bacterial exposure to water deprivation have been tested via the constructed transcriptional fusion-based biosensors and the details are reported.

Research has been conducted on the filamentous Chloroflexaceae-related bacteria. The phenotypic and phylogenetic diversity of these bacteria have been investigated and the identification of the genus Chloroflexus and type C organisms has been carried out in analyzing their morphology and small-scale distribution in the microbial mats.

Research has been conducted on the Cry toxin-interacting aminopeptidase N isolated from Spodoptera litura. The cloning, expression and characterization of this aminopeptidase has been carried out and the results indicate that bioactive Cry1C toxin binds to recombinant aminopeptidase.

Research has been conducted on Tiber borchii fruit body formation. The structure, function and expression of the genes which are involved in fruit body development have been investigated and the results are presented.

Research has been conducted on arbuscular mycorrhizal fungus Scutellospora castanea. The question whether this fungus lives inside S. castanea spores or on their surface has been resolved and the details are presented.

Research has been conducted on the spotted fever group rickettsia. The cultivation, partial molecular and immunologic characterization and actin-based motility of this bacterium from a female Ixodes ricinus tick have been carried out and the results are reported.

Research has been conducted on stramenophiles, aquatic microorganisms playing key roles in marine food webs. Results indicate that the clones within this group have been present in all investigated systems and that the stramenophile sequences have been spread in marine waters all over the world.

Research has been conducted on Trichoderma reesei beta-glucosidase BGLII (Cel1A). The analysis of the bgl2 gene expression pattern and characterization of the BGLII protein have been carried out and the results indicate that BGLII is an intracellular enzyme.

Research has been conducted on the soil flagellate Heteromita globosa. The grazing impact by this bacterium on the hydraulic properties and development of the clog produced during the rapid growth of the slime-secreting Pseudomonas sp. has been investigated and the details are reported.

Research has been conducted on the erythritol production by Torula corallina. The mechanism of Cu (super)2+ enhancement of this production has been investigated and the results are reported.

Research has been conducted on the sanitary aspects of mussel consumption. The presence of human viruses excreted in feces and the effect of salinity, temperature and land runoff on the enteric virus variability and their potential indicator organisms in mussels have been investigated and the details are reported.

Research has been conducted on the yeast cells with active lipase. The applicability of these cells to biodiesel production in a water-containing and solvent-free system has been tested and the results are reported.

Research has been conducted on the isolated from the sugar beet rhizosphere Pseudomonas sp. strain DSS73 which produces cyclic lipopeptide amphisin. The study of the peptide synthetase gene involved in amphisin production is presented.

Research has been conducted on hexadecane biodegradation by Pseudomonas aeruginosa. The ability of the rhamnolipid to stimulate this biodegradation has been investigated via the use of the hydrophobic fluorescent probe and the details are reported.

Research has been conducted on the polychlorophenol-degrading sphingomonads. The role of the horizontal pcpB gene transfer in the sphingomonads' evolution and the distribution of this gene have been studied and discussed.

Research has been conducted on Synechococcus-type cyanobacteria. The use of the denaturing gradient gel electrophoresis and Taq nuclease assay in tracing ecotypes in a natural closely related bacterial populations with unknown diversity is described.

Research has been conducted on the soil-atmosphere carbon monoxide exchanges. Results indicate that carbon monoxide is consumed rapidly by the majority of soils independently of the land use.

Research has been conducted on the Streptomyces type strains. The results of the phylogenetic analysis of partial 16S rRNA and ketosynthase gene sequences from these strains and soil isolates are presented.

Research has been conducted on bacteriocin production by Lactobacillus plantarum LPCO10. Results indicate the importance of maximal production of bacteriocins to allow their use as natural food additives in canned vegetables.

Research has been conducted on the biofilms grown from the wild-type Pseudomonas aeruginosa PAO1 strain. The role of quorum sensing in biofilm behavior and structure has been investigated under different flow regimens and the results are reported.

Research has been conducted on the ethanol fermentation by-product, glycerol. The kinetic model of the glycerol synthesis pathway used in evaluating parameters controlling glycerol synthesis rate has been constructed and is described.

Research has been conducted on Brochothrix thermosphacta glucose metabolism. The role of atmosphere composition in this metabolism has been investigated and the decision whether the metabolism is dominantly anaerobic or anaerobic for a given atmosphere composition has been made.

Research has been conducted on the microbial populations in sponges from different oceans. The diversity, identity and distribution patterns of sponge-associated microbes have been investigated and the results reveal that these microbial populations are uniform and phylogenetically complex.

Research has been conducted on the microbial perchlorate reduction control. The study of the environmental factors controlling this reduction and of the conditions causing perchlorate respiration is presented.

Research has been conducted on Sphingomonas paucimobilis SYK-6. The isolation of the feruloyl-CoA hydratase/lyase genes and feruloyl-CoA gene from this bacteria have been carried out in investigating the role of the each gene and gene product in ferulic acid degradation by S. paucimobilis SYK-6 and the details are reported.

Research has been conducted on 5-carboxyvanillate decarboxylase. The degradation pathway of this compound and the decarboxylase gene responsible for the compound transformation have been investigated and the results indicate that 5-carboxyvanillate decarboxylase is transformed to vanillate by Sphingomonas paucimobilis SYK-6.

Research has been conducted on Pseudomonas syringae pv. tomato. The study of tomato's bacterial speck caused by this bacterium has been carried out in determining its role in the effectiveness of disease biological control and the details are reported.

Research has been conducted on Lactococcus lactis and Lactobacillus plantarum. The effect of both external medium pH and high pressure on the cytoplasmic pH and viability of these bacteria and the ability of the treated cells to restore the difference between external medium pH and cytoplasmic pH have been investigated and are discussed.

Research has been conducted on the gene from Lactobacillus reuteri strain 121. The molecular analysis of this gene and the analysis of the enzyme synthesized products from surcose are reported.

Research has been conducted on Poria placenta wood degradation. The role of tropolone in this degradation has been investigated and the hypothesis that tropolone may act as a chelator, a chemical radical scavanger or as an antioxidant has been tested and discussed.

Research has been conducted on the fungal biomass belowground. The use of terminal-restriction fragment length polymorphism analysis in determining the effect of elevated CO (sub)2 on the biomass partitioning and quantity is described.

Research has been conducted on Lactococcus lactis strains producing exopolysaccharides. Results indicate that these strains are sensitive to virulent phages.

Research has been conducted on Lactococcus lactis subsp. cremoris. The role of high pressure in cell wall hydrolase activity, morphology, viability and lysis has been determined in buffer suspensions and the results are reported.

Research has been conducted on Lactococcus lactis ATCC 19435 which grows at a slow rate in the presence of oxygen. Results suggest that this bacterium possesses a protection mechanism against H (sub)2 O (sub)2 via self-generated intracellular pyruvate.

Research has been conducted on naphthalene-2-sulfonate degradation by Sphingomonas xenophaga strain BN6. Results indicate that during this degradation the strain produces redox mediators which increase the strain's ability to reduce azo dyes under aerobic conditions.

Research has been conducted on trifolitoxin resistance. The effect of amino acid substitutions in TfxG serine/threonine kinase motif on trifolitoxin resistance and the role of TfxG in trifolitoxin production have been investigated and are discussed.