Projects

DETECTION, SOURCE IDENTIFICATION, ENVIRONMENTAL TRANSPORT, FATE, AND TREATMENT OF PATHOGENIC MICROORGANISMS DERIVED FROM ANIMAL WASTES Appropriated (D)   Accession Number: 409378

IMPACTS OF IRRIGATION WATER QUALITY PERSISTENCE AND TRANSMISSION OF E.COLI O157:H7 FROM SOIL TO PLANTS Grant (G)   Accession Number: 413282

TRANSPORT AND FATE OF NITRATE AND PATHOGENS AT DAIRY LAGOON WATER APPLICATION SITE Reimbursable (R)   Accession Number: 409515

IMPACTS OF IRRIGATION WATER QUALITY PERSISTENCE AND TRANSMISSION OF E.COLI O157:H7 FROM SOIL TO PLANTS Reimbursable (R)   Accession Number: 412225

TRANSPORT AND FATE OF NITRATE AND PATHOGENS AT DAIRY LAGOON WATER APPLICATION SITE Specific Cooperative Agreement (S)   Accession Number: 409733

Publications

Microbiological Evaluation of fecal bacterial Composition from surface water through Aquifer Sand Material - (Peer Reviewed Journal)

Ibekwe, A.M., Lyon, S.R. 2008. Microbiological Evaluation of fecal bacterial Composition from surface water through Aquifer Sand Material. Journal of Water and Health. Vol 6 No 3:411-421

CHARACTERIZATION OF DEVELOPING MICROBIAL COMMUNITIES IN MOUNT ST. HELEN'S PYROCLASTIC SUBSTRATE - (Peer Reviewed Journal)

Ibekwe, A.M., Kennedy, A.C., Halvorson, J.J., Yang, C. 2007. Characterization of developing microbial communities in Mount St. Helen's pyroclastic substrate. Soil Biology and Biochemistry. Vol 39:2496-2507

SURVIVAL OF ESCHERICHIA COLI O157:H7 IN SOIL AND ON LETTUCE AFTER FUMIGATION - (Peer Reviewed Journal)

Ibekwe, A.M., Grieve, C.M., Yang, C. 2007. Survival of Escherichia Coli O157:H7 in soil and on lettuce after fumigation. Canadian Journal of Microbiology. Vol. 53:623-635

GLOBAL EFFECT OF INDOLE-3-ACETIC ACID BIOSYNTHESIS ON MULTIPLE VIRULENCE FACTORS OF ERWINIA CHRYSANTHEMI 3937 - (Peer Reviewed Journal)

Yang, S., Zhang, Q., Chorkowski, A.O., Glick, B.R., Ibekwe, A.M., Cooksey, D.A., Yang, C.H. 2007. Global effect of indole-3-acetic acid biosynthesis on multiple virulence factors of erwinia chrysanthemi 3937. Applied and Environmental Microbiology. Feb 2007: 1079-1088

Fate of E. coli O157:H7 in the Environment - (Abstract)

Ibekwe, A.M. 2006. Fate of E. coli O157:H7 in the Environment. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. Paper No. 88-4

Bacterial Composition in Urban Watershed Creeks Impacted by Contaminants from different Sources. - (Abstract)

Ibekwe, A.M., Lyon, S.R. 2006. Bacterial Composition in Urban Watershed Creeks Impacted by Contaminants from different Sources. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. Paper No. 186-2

Soil Diversity Along a Forest Profile Using PCR-DGGE - (Abstract)

Thompson, M., Moss, E., Ibekwe, A.M., Senwo, Z., Taylor, R. 2006. Soil Diversity Along a Forest Profile Using PCR-DGGE. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. CD-ROM

Evaluation of the Effect of Arsenic Contamination on Selected Soil Enzyme Activities and Microbial Diversity - (Abstract)

Garuba, I., Ankumah, R., Ibekwe, A.M., Corley, M., Egnin, M. 2006. Evaluation of the Effect of Arsenic Contamination on Selected Soil Enzyme Activities and Microbial Diversity. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. CD-ROM.

Evaluation of the Effects of Tillage on Selected Soil Enzyme Activities and Soil Microbial Diversity - (Abstract)

Durant, M., Ankumah, R., Corley, M., Ibekwe, A.M., Mcintyre, S.C. 2006. Evaluation of the Effects of Tillage on Selected Soil Enzyme Activities and Soil Microbial Diversity. Soil Science Society of America Annual Meeting in Indianapolis, IN Nov 12-16, 2006. CD-ROM

MICROBIAL CHARACTERISTICS THROUGH DRINKING WATER AQUIFER SAND MATERIAL - (Peer Reviewed Journal)

Ibekwe, A.M., Lyon, S.R. 2007. Microbial characteristics through drinking water aquifer sand material. Engineering in Life Sciences. 1:81-89

Quantification of survival of Escherichia coli 0157:H7 on Plants affected by Contaminated Irrigation Water - (Peer Reviewed Journal)

Ibekwe, A.M., Shouse, P.J., Grieve, C.M. 2006. Quantification of survival of Escherichia Coli 0157:H7 on Plants affected by Contaminated Irrigation Water. Engineering in Life Sciences. Vol. 6:566-572

IMPACT OF PLANT DENSITY AND MICROBIAL COMPOSITION ON WATER QUALITY FROM A FREE WATER SURFACE CONSTRUCTED WETLAND - (Peer Reviewed Journal)

Ibekwe, A.M., Lyon, S.R., Leddy, M., Jacobson-Meyers, M. 2007. Impact of plant density and microbial composition on water quality from a free water surface constructed wetland. Journal of Applied Microbiology. 102:921-936

IMPACT OF PLANT DENSITY AND MICROBIAL COMPOSITION ON WATER QUALITY FROM A FREE WATER SURFACE CONSTRUCTED WETLAND - (Abstract)

Ibekwe, A.M. 2006. Impact of plant density and microbial composition on water quality from a free water surface constructed wetland. American Society of Agronomy Abstracts, annual meeting, Salt Lake City, UT. [CD-ROM]

PERSISTENCE OF ESCHERICHIA COLI O157:H7 IN SOIL AFTER FUMIGATIONS - (Abstract)

Ibekwe, A.M., Grieve, C.M., Yang, C.-. 2006. Persistence of escherichia coli O157:H7 in soil after fumigations. [CD-ROM] American Society for Microbiology Annual Meeting. Orlando, FL.

REAL-TIME PCR QUANTIFICATION OF PERSISTENCE OF ESCHERICHIA COLI O157:H7 IN SOIL IMPACTED BY FUMIGATIONS - (Abstract)

Ibekwe, A.M., Grieve, C.M. 2006. Real-time pcr quantification of persistence of escherichia coli o157:h7 in soil impacted by fumigations. (Abstract) CD-ROM. Annual Quantitative Polymerase Chain Reaction (PCR) Meeting.

IMPACT OF PLANT SPECIES AND DENSITY ON MICROBIAL COMMUNITY COMPOSITION IN A FREE WATER SURFACE CONSTRUCTED WETLAND - (Abstract)

Ibekwe, A.M., Leddy, M., Lyon, S.R., Jacobson, M. 2005. Impact of plant species and density on microbial community composition in a free water surface constructed wetland. American Society for Microbiology Annual Meeting. CD-ROM, Atlanta, GA.

DETERMINING RATE OF CHANGE IN CUCUMBER RHIZOSPHERE MICROBIAL COMMUNITY COMPOSITION IN RESPONSE TO SOIL PH, SALINITY, AND BORON - (Proceedings/Symposium)

Ibekwe, A.M., Grieve, C.M., Poss, J.A., Grattan, S., Suarez, D.L. 2005. Determining rate of change in cucumber rhizosphere microbial community composition in response to soil pH, salinity, and boron. In: Proceedings of the International Salinity Forum, Managing Saline Soils and Water: Science, Technology, and Soil Issues. April 25-27, 2005. Riverside, CA pp:77-80.

PERSISTENCE OF ESCHERICHIA COLI O157:H7 IN RHIZOSPHERE AND NON-RHIZOSPHERE SOILS AFTER FUMIGATION - (Abstract)

Ibekwe, A.M. 2005. Persistence of Escherichia coli O157:H7 in rhizosphere and non-rhizosphere soils after fumigation. International Union of Microbiological Societies Proceedings/Abstracts. Page 18.

FATE OF ESCHERICHIA COLI O157:H7 IN IRRIGATION WATER ON SOILS AND PLANTS - (Proceedings/Symposium)

Ibekwe, A.M., Watt, P.M., Shouse, P.J., Grieve, C.M. 2005. Fate of escherichia coli o157:h7 in irrigation water on soils and plants. In: First International Conference on Environmental Science and Technology, January 23-26, 2005, New Orleans, LA. 2:11-17.

IMPACT OF DAIRY PRODUCTION ON MICROBIAL CHARACTERISTICS THROUGH DRINKING WATER AQUIFER MATERIAL - (Proceedings/Symposium)

Ibekwe, A.M., Lyon, S. 2005. Impact of dairy production on microbial characteristics through drinking water aquifer material. In: Proceedings of First International Conference on Environmental Science and Technology, January 23-26, 2005, New Orleans, Louisiana. 1:215-221.

FATE OF ESCHERICHIA COLI O157:H7 IN IRRIGATION WATER ON SOILS AND PLANTS AS VALIDATED BY CULTURE METHOD AND REAL-TIME PCR - (Peer Reviewed Journal)

Ibekwe, A.M., Watt, P.M., Shouse, P.J., Grieve, C.M. 2005. Fate of Escherichia coli O157:H7 in irrigation water on soils and plants as validated by culture method and real-time PCR. Canadian Journal of Microbiology. 50:1007-1014.

ENRICHMENT AND MOLECULAR CHARACTERIZATION OF CHLOROPICRIN- AND METAM-SODIUM-DEGRADING MICROBIAL COMMUNITIES - (Peer Reviewed Journal)

Ibekwe, A.M., Papiernik, S.K., Yang, C. 2004. Enrichment and molecular characterization of chloropicrin- and metam-sodium-degrading microbial communities. Applied Microbiology and Biotechnology. 66:325-332.

GENOME-WIDE IDENTIFICATION OF PLANT-UP-REGULATED GENES OF ERWINIA CHRYSANTHEMI 3937 USING A GFP BASED IVET LEAF ARRAY - (Peer Reviewed Journal)

Yang, S., Perna, N.T., Coksey, D.A., Okinaka, Y., Lindow, S.E., Ibekwe, A.M., Keen, N.T., Yang, C.H. 2004. Genome-wide identification of plant-up-regulated genes of erwinia chrysanthemi 3937 using a gfp based ivet leaf array. Molecular Plant Microbe Interactions. 2004. 17(9):999-1008.

IMPACT OF DAIRY PRODUCTION ON MICROBIAL CHARACTERISTICS THROUGH DRINKING WATER AQUIFER MATERIALS - (Abstract)

Ibekwe, A.M., Lyon, S. 2004. Impact of dairy production on microbial characteristics through drinking water aquifer materials. (CD-ROM). American Society for Microbiology Annual Conference, New Orleans, LA. May, 2004.

CHANGES IN DEVELOPING PLANT MICROBIAL COMMUNITY STRUCTURE AS AFFECTED BY CONTAMINATED IRRIGATION WATER - (Peer Reviewed Journal)

Ibekwe, A.M., Grieve, C.M. 2004. Changes in developing plant microbial community structure as affected by contaminated irrigation water. Journal of Microbiological Methods. 48:239-248.

EFFECTS OF FUMIGANTS ON NON-TARGET ORGANISMS IN SOILS - (Book/Chapter)

Ibekwe, A.M. 2004. Effects of fumigants on non-target organisms in soils. In: Sparks, D.L., editor. Advances in Agronomy. Vol. 83. San Diego, CA:Academic Press. p. 1-35.

IDENTIFYING AND QUANTIFYING SOURCES OF BACTERIA - (Proceedings/Symposium)

Ibekwe, A.M., Jenkins, M. 2004. Identifying and quantifying sources of bacteria. In: Hargrove, W.L., editor. Pathogens in the Environment Workshop Proceedings, Feb. 23-25, 2004, Kansas City, MO. p. 18-21.

IMPACT OF FUMIGANTS ON SOIL BACTERIA AND E. COLI O157:H7 - (Abstract)

Ibekwe, A.M., Watt, P.M., Papiernik, S.K. 2003. Impact of fumigants on soil bacteria and E. coli O157:H7. (CD-ROM) American Society of Agronomy Annual Meeting. Denver, CO, November, 2003.

CONSTRUCTED WETLANDS FOR THE REMOVAL OF CONTAMINANTS - (Proceedings/Symposium)

Ibekwe, A.M., Lyon, S.R. 2003. Constructed wetlands for the removal of contaminants. Proceedings of Watershed Management Conference, Total Maximum Daily Load (TMDL) Environmental Regulations-II:477-485.

CHARACTERIZATION OF MICROBIAL COMMUNITIES AND COMPOSITION IN CONSTRUCTED DAIRY WETLAND WASTEWATER EFFLUENT - (Peer Reviewed Journal)

Ibekwe, A.M., Grieve, C.M., Lyon, S.R. 2003. Characterization of microbial communities and composition in constructed dairy wetland wastewater effluent. Applied and Environmental Microbiology. 69(9):5060-5069.

IMPACT OF FUMIGANTS ON THE SURVIVAL OF ESCHERICHIA COLI O157:H7 IN ANIMAL MANURE - (Proceedings/Symposium)

Ibekwe, A.M., Papiernik, S.K., Grieve, C.M. 2003. Impact of fumigants on the survival of escherichia coli o157:h7 in animal manure. Abstract. 103rd General Meeting of the American Society for Microbiology, Washington, DC. May 18-22, 2003. P. 596.

EFFECT OF ORGANIC MULCHES ON SOIL MICROBIAL ACTIVITIES AND COMMUNITIES ONE YEAR AFTER APPLICATON - (Peer Reviewed Journal)

YANG, Y., DUNGAN, R.S., IBEKWE, A.M., VALENZUELA-SOLANO, C., CROHN, D.M., CROWLEY, D.E. 2003. EFFECT OF ORGANIC MULCHES ON SOIL MICROBIAL ACTIVITIES AND COMMUNITIES ONE YEAR AFTER APPLICATON. BIOLOGY AND FERTILITY OF SOILS. 38:273-281.

EFFECT OF PROPARGYL BROMIDE AND 1,3-DICHLOROPROPENE ON SOIL MICROBIAL COMMUNITIES - (Peer Reviewed Journal)

DUNGAN, R.S., IBEKWE, A.M., YATES, S.R. EFFECT OF PROPARGYL BROMIDE AND 1,3-DICHLOROPROPENE ON SOIL MICROBIAL COMMUNITIES. 2003. FEDERATION OF EUROPEAN MICROBIOLOGICAL SOCIETIES (FEMS) MICROBIOLOGY ECOLOGY. 43:75-87.