个人简介
My research interests are focused on the molecular ecology and functional diversity of microbial communities. We use several types of molecular techniques, including PCR-RFLP, T-RFLP, LH-PCR, and DNA sequencing to study microbial community composition and functional diversity. Of particular interest is the study of genes that play functional roles in nitrogen-cycling, such as nifH (N-fixation), amoA (nitrification), nosZ (denitrification), and pmoA (methane oxidation), either by direct amplification of the DNA from environmental samples, or by amplification of their RNA transcripts.
I am currently involved in three major research projects: 1) Impacts of global warming on mycorrhizal fungal communities and N-cycling bacterial communities in the Canadian High Arctic; 2) Impacts of fire on re-establishment and regeneration of N-cycling bacterial communities of Douglas-fir in the southern Interior of British Columbia; and 3) Re-establishment and regeneration of mycorrhizal and N-cycling bacterial communities of lodgepole Pine following Mountain Pine Beetle attack in the central Interior of British Columbia.
I received my BSc from the University of Calgary in 1975, then worked at the Biosystematics Research Institute in Ottawa until I left to complete a PhD at the University of Victoria in 1985. I was a postdoctoral fellow at Universit� Laval and the University of Alberta before taking a faculty position at Memorial University of Newfoundland in 1990. I moved to UNBC in 1995.
Courses I teach include: Microbiology; Plant-Microbe Interactions; Insects, Fungi & Society; and upper division or graduate courses in Soil Ecology and Molecular Evolution and Ecology.
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Egger, KN. 2006. Commentary -The surprising diversity of ascomycetous mycorrhizas. The New Phytologist 170: 421-423. [pdf 140kb]
Deslippe, JR and KN Egger. 2006. Molecular diversity of nifH genes from bacteria associated with High Arctic dwarf shrubs. Microbial Ecology 51: 516-525. [pdf 382kb]
Robertson, SJ, LE Tackaberry, KN Egger, HB Massicotte. 2006. Habitat specificity of ectomycorrhizal fungal communities associating with black spruce (Picea mariana) in wetland and upland forests in central British Columbia. Canadian Journal of Forest Research 36: 972-985. [pdf 129kb]
Deslippe, JR, KN Egger and GHR Henry. 2005. Impacts of warming and fertilization on nitrogen-fixing microbial communities in the Canadian High Arctic. FEMS Microbiology Ecology 53: 41-50. [pdf 167kb]
Egger, KN and DS Hibbett. 2004. The evolutionary implications of exploitation in mycorrhizas. Canadian Journal of Botany 82: 1110-1121. [pdf 132kb]
Teste, FP, MG Schmidt, SM Berch, C Bulmer and KN Egger. 2004. Effects of ectomycorrhizal inoculants on survival and growth of Interior Douglas-fir seedlings on reforestation sites and partially rehabilitated landings. Canadian Journal of Forest Research 34: 2074-2088. [pdf 301kb]
Khetmalas, MB, KN Egger, HB Massicotte, LE Tackaberry and MJ Clapperton. 2002. Bacterial diversity associated with subalpine fir (Abies lasiocarpa) ectomycorrhizae following wildfire and salvage-logging in central British Columbia. Canadian Journal of Microbiology 48: 611�625. [pdf 130kb]
Young, BW, HB Massicotte, LE Tackaberry, QF Baldwin and KN Egger. 2002. Monotropa uniflora: morphological and molecular assessment of mycorrhizae retrieved from sites in the sub-Boreal Spruce biogeoclimatic zone in central British Columbia. Mycorrhiza 12: 75-82. [pdf 165kb]
Mah, K, LE Tackaberry, KN Egger and HB Massicotte. 2001. The impacts of broadcast burning after clearcutting on the diversity of ectomycorrhizal fungi associated with hybrid spruce seedlings in central British Columbia. Canadian Journal of Forest Research 31: 224�235. [pdf 90kb]
Yu, T, KN Egger and RL Peterson. 2001. Ectendomycorrhizal associations - characteristics and functions. Mycorrhiza 11: 167-177. [pdf 374kb]
Piercey-Normore, MD and KN Egger 2001. Identification and genotypic characterization of filamentous fungi. In: Molecular and Cell Biology of Filamentous Fungi: A Practical Approach (N Talbot, Ed). Oxford University Press. pp 1-22.
Norman, JE and KN Egger. 1999. Molecular phylogenetic analysis of the Peziza and related genera. Mycologia 91 (5): 820-829.
Hambleton, S, KN Egger and RS Currah. 1998. The genus Oidiodendron: species delimitation and phylogenetic relationships based on nuclear ribosomal DNA analysis. Mycologia 90: 854-68.
Piercey-Normore, MD, KN Egger and JA B�rub�. 1998. Molecular phylogeny of North American biological species of Armillaria. Molecular Phylogenetics and Evolution 10: 49-66. [pdf 376kb]
Yamasaki, S, JW Fyles, KN Egger and B Titus. 1998. The effect of Kalmia angustifolia on the growth, nutrition and ectomycorrhizal symbiont community of black spruce. Forest Ecology & Management 105: 197-207. [pdf 127kb]
Landvik, S, KN Egger and T Schumacher. 1997. Towards a subordinal classification of the Pezizales. Nordic Journal of Botany 17: 403-418.
Egger, KN 1996. Molecular systematics of E-strain mycorrhizal fungi: Wilcoxina and it�s relationship to Tricharina (Pezizales). Canadian Journal of Botany 74: 773-779. [pdf 120kb]
Norman, J, and KN Egger. 1996. Phylogeny of the genus Plicaria and its relationship to Peziza inferred from ribosomal DNA sequence analysis. Mycologia 88: 986-995.
Egger, KN 1995. Molecular analysis of ectomycorrhizal fungal communities. Canadian Journal of Botany 73 (Suppl. 1): S1415-S1422. [pdf 140kb]
Egger, KN, GS Osmond and J Goodier 1995. Sequence and putative secondary structure of group I introns in the ribosomal DNA of the fungus Hymenoscyphus ericae. Biochimica et Biophysica Acta � Gene Structure & Expression 1261: 275-278. [pdf 414kb]
Sigler, L, LM de la Maza, G Tan, KN Egger, and RK Sherburne. 1995. Diagnostic difficulties caused by a nonclamped Schizophyllum commune isolate in a case of fungus ball of the lung. Journal of Clinical Microbiology 33: 1979-1983. [pdf 1.24MB]
Mosseler, A, KN Egger and SM Carr 1995. Molecular biology and genetic diversity in tree populations. In: Recent Progress in Forest Biotechnology in Canada. (P Charest and L Duchesne, Eds.). Canadian Forest Service, Inf. Rep. PI-X-120.
Egger, KN and L Sigler. 1993. Relatedness of the ericoid endophytes Scytalidium vaccinii and Hymenoscyphus ericae inferred from analysis of ribosomal DNA. Mycologia 85: 219-230. [pdf 731kb]
Egger, KN and L Sigler 1993. Using molecular data to infer anamorph-teleomorph connections: the case of Scytalidium vaccinii and Hymenoscyphus ericae. In: The Fungal Holomorph: Mitotic, Meiotic and Pleomorphic Speciation in Fungal Systematics (DR Reynolds and JW Taylor, Eds). CAB International Press, pp. 141-146.
Mosseler, A, KN Egger and G Hughes. 1992. Low levels of genetic diversity in red pine confirmed by random amplified polymorphic DNA markers. Canadian Journal of Forest Research 22: 1332-1337.