Bakkeren Molecular Plant Pathology Lab
Publications
Ökmen, B., Schwammbach,
D., Bakkeren, G., Neumann, U. and Doehlemann, G. 2021. The Ustilago hordei-barley interaction is a versatile system to
characterize fungal effectors. J. Fungi 7(2), 86. https://doi:10.3390/jof7020086 [PDF]
Fellers, J.
P., Sakthikumar, S., He, F., McRell,
K., Bakkeren, G., Cuomo, C. A. and Kolmer, J. A. 2020. Whole-genome sequencing
of multiple isolates of Puccinia
triticina reveals asexual lineages evolving by recurrent mutations. bioRxiv: 2020.2007.2022.212464.
In revision.
Montenegro
Alonso, A. P., Ali, S., Song, X., Linning, R. and Bakkeren, G. 2020. UhAVR1, an
HR-triggering avirulence effector of Ustilago hordei, is secreted via
the ER–Golgi pathway, localizes to the cytosol of barley cells during in
planta-expression, and contributes to virulence early in infection. J.
Fungi 6(3), 178. https://doi:10.3390/jof6030178 [PDF]
Parcey, M., S. Gayder, V. Morley-Senkler, G. Bakkeren, J. R. Úrbez-Torres,
S. Ali, A. J. Castle and A. M. Svircev. 2020. Comparative
genomic analysis of Erwinia amylovora
reveals novel insights in phylogenetic arrangement, plasmid diversity, and
streptomycin resistance. Genomics. 112, 3762-3772. https://doi.org/10.1016/j.ygeno.2020.04.001 [PDF]
Wang, X., Che, M. Z., Khalil, H. B., McCallum,
B. D., Bakkeren, G., Rampitsch, C. and Saville, B. J. 2020. The role of
reactive oxygen species in the virulence of wheat leaf rust fungus Puccinia triticina. Environmental Microbiol. 22 (7), 2956-2967. https://doi:10.1111/1462-2920.15063 [PDF]
Bakkeren, G. and Szabo, L. 2020. Progress on molecular genetics and
manipulation of rust fungi. Phytopathology. 110(3), 532-543. https://doi:org/10.1094/PHYTO-07-19-0228-IA [PDF]
Yadav,
V., Sun, S., Billmyre, B., Thimmappa,
B.C., Bakkeren, G., Cuomo, C., Heitman, J. and Sanyal, K. 2018. RNAi-dependent centromere evolution in
closely related fungal species. Proc. Natl. Acad. Sci. USA. 115(12): 3108-3113.
https://doi:10.1073/pnas.1713725115
[PDF]
Cuomo, C, Bakkeren, G., Khalil, H.B., Panwar, V.,.Joly, D., Linning, R., Sakthikumar, S., Song, X., Adiconis, X., Fan, L., Goldberg, J. M., Levin, J.Z., Young,
S., Zeng, Q., Anikster, Y., Bruce, M., Wang, M., Yin, C., McCallum, B., Szabo,
L.J., Hulbert, S., Chen, X. and Fellers, J.P. 2017. Comparative analysis
highlights variable genome content of wheat rusts and divergence of the mating
loci. G3: Genes|Genomes|Genetics. 7(2): 361-376. DOI:10.1534/g3.116.032797.
[Abstract]
[PDF]
Panwar, V.,
Jordan, M., McCallum, B. and Bakkeren, G. (2017). Host-induced silencing of
essential genes in Puccinia triticina through transgenic expression of
RNAi sequences reduces severity of leaf rust infection in wheat. Plant Biotechnol. J. 16(5), 1013-1023. https://DOI:10.1111/pbi.12845
Panwar, V. and
Bakkeren, G. 2017. Investigating Gene Function in Cereal Rust Fungi by
Plant-Mediated Virus-Induced Gene Silencing. Wheat Rust Diseases: Methods and
Protocols. Ed. S. Periyannan. Springer New York: 115-124.
DOI:10.1007/978-1-4939-7249-4_10
Panwar, V.,
McCallum, B., Jordan, M., Loewen, M., Fobert, P.,
McCartney, C. and Bakkeren, G. 2016. RNA silencing
approaches for identifying pathogenicity and virulence elements towards
engineering crop resistance to plant pathogenic fungi. In: CABI Reviews.
Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources.
11(027). DOI:10.1079/PAVSNNR201611027. [Abstract]
[PDF]
Bakkeren, G., Joly, D. L. and Duplessis, S.
2016. Genomics research on non-model plant pathogens: delivering novel insights
into rust fungus biology. Front. Plant Sci. 5: 216. Editorial to Frontiers
E-book (http://journal.frontiersin.org/researchtopic/1925/genomics-research-on-non-model-plant-pathogens-delivering-novel-insights-into-rust-fungus-biology),
covering 14 published papers for which these 3 authors were co-editors.
DOI:10.3389/fpls.2016.00216.
Cervantes-Chávez, J. A., Valdés-Santiago, L., Bakkeren, G.,
Hurtado-Santiago, E., León-Ramírez, C. G.,
Esquivel-Naranjo, E. U., Landeros-Jaime, F.,
Rodríguez-Aza, Y., Ruiz-Herrera, J. 2016. Trehalose
is required for stress resistance and virulence of the Basidiomycota plant
pathogen Ustilago maydis.
Microbiology. 162(6): 1009-1022. DOI:10.1099/mic.0.000287. [Abstract]
McCallum, B.
D., Hiebert, C. W., Cloutier, S., Bakkeren, G., Rosa, S. B., Humphreys, G.,
Marais, G. F., McCartney, C. A., Panwar, V., Rampitch,
C., Saville, B. J., Wang, X. 2016. A review of wheat leaf rust research and the
development of resistant cultivars in Canada. Can. J. Plant Pathol.
38(1), 1-18. DOI:10.1080/07060661.2016.1145598. [Abstract]
[PDF]
Ali, S. and Bakkeren, G. 2015. Conversion of BAC clones into binary BAC
(BIBAC) vectors and their delivery into basidiomycete fungal cells using Agrobacterium
tumefaciens. Bacterial Artificial Chromosomes. Ed. K. Narayanan. Clifton,
N.J., Springer New York. Chapter 9: 199-215. [Abstract]
[PDF]
Panwar, V.,
McCallum, B. and Bakkeren, G. 2015. A functional genomics method for assaying
gene function in phytopathogenic fungi through
host-induced gene silencing mediated by Agroinfiltration.
In: Plant Gene Silencing: Methods and Protocols. Eds. Mysore, K. S. and Muthappa, S-K. Springer New York. Chapter 13: 179-189.
DOI:10.1007/978-1-4939-2453-0. [Abstract]
[PDF]
Ali, S. and Bakkeren, G. 2015. Conversion of BAC clones into binary BAC
(BIBAC) vectors and their delivery into basidiomycete fungal cells using Agrobacterium
tumefaciens. Bacterial Artificial
Chromosomes. Ed. K. Narayanan. Clifton, N.J., Springer New York. 1227: 199-215.
DOI:10.1007/978-1-4939-1652-8_9
Segovia, V., Bruce, M., Shoup Rupp, J. L.,
Huang, L., Bakkeren, G., Trick, H. N. and Fellers, J. P. 2016. Two small
secreted proteins from Puccinia triticina induce reduction of ß-glucoronidase transient expression in wheat isolines containing Lr9,
Lr24, and Lr26. Can. J. Plant Pathol. 38(1):
91-102. DOI:10.1080/07060661.2016.1150884. [Abstract]
[PDF]
Wang, X., McCallum, B. D., Fetch,
T., Bakkeren, G. and Saville, B. 2015. Sr36-
and Sr5-mediated resistance response
to Puccinia graminis f. sp. tritici is associated with callose deposition in wheat guard cells, Phytopathology,
105(6): 728-737. DOI:10.1094/PHYTO-08-14-0213-R. [Abstract]
[PDF]
Bakkeren, G. and B. Valent. 2014. Do pathogen effectors play peek-a-boo? Front. Plant Sci. 5:638. DOI:10.3389/fpls.2014.00638
Ali, S., Laurie, J.D., Linning, R., Cervantes-Chávez, J.A., Gaudet, D.
and Bakkeren, G. 2014. An immunity-triggering effector from the barley smut
fungus Ustilago hordei resides in an Ustilaginaceae-specific cluster bearing signs of
transposable element-assisted evolution. PLoS Pathog 10:
e1004223 [Abstract]
[PDF]
[Supplemental]
Bruce, M., K. A. Neugebauer, D. L. Joly, P. Migeon,
C. A. Cuomo, S. Wang, E. Akhunov, G. Bakkeren, J. A.
Kolmer and J. P. Fellers 2014. Using transcription of six Puccinia triticina races to identify the effective secretome during infection of wheat. Front. Plant Sci. 4, 520. doi: 10.3389/fpls.2013.00520 [Abstract]
[PDF]
Panwar, V.,
McCallum, B. and Bakkeren, G. 2014. A functional genomics method for assaying
gene function in phytopathogenic fungi through
host-induced gene silencing mediated by Agroinfiltration.
In: Plant Gene Silencing: Methods in Molecular
Biology. Eds. Mysore, K. S. and Muthappa, S-K.
Springer New York. Pp.179-189. DOI:10.1007/978-1-4939-2453-0_13
[PDF]
Duplessis, S.,
Bakkeren, G. and Hamelin, R. Advancing knowledge on biology of rust fungi
through genomics. 2014. Chapter 6. In: Advances
in Botanical research. Vol. 70. Ed. Francis Martin. Elsevier. Pp. 173-209. DOI:org/10.1016/B978-0-12-397940-7.00006-9
[PDF]
Lefebvre, F.,
Joly, D.L., Labbé, C., Teichmann, B., Linning, R., Belzile, F., Bakkeren, G.
and Bélanger, R.R. 2013. The transition from a phytopathogenic smut ancestor to
an anamorphic biocontrol agent deciphered by comparative whole genome analysis.
Plant Cell 25, 1946-1959. Open
Access. http://www.plantcell.org/cgi/content/short/tpc.113.113969?keytype=ref&ijkey=xzroSbg7ePaYOZV
[Abstract]
[PDF]
Panwar, V.,
McCallum, B. and Bakkeren, G. 2013. Host-generated trans-specific RNAi of wheat
leaf rust fungus Puccinia triticina
pathogenicity genes induced by the Barley
stripe mosaic virus. Plant Mol Biol 81, 595-608 [Abstract]
[PDF]
Panwar, V.,
McCallum, B. and Bakkeren, G. 2013. Endogenous silencing of Puccinia triticina pathogenicity genes
through in planta-expressed sequences
leads to suppression of rust diseases on wheat. Plant J 73, 521-532 [Abstract]
[PDF]
Fellers, J.
P., Soltani, B. M., Bruce, M., Linning, R., Cuomo, C. A., Szabo, L. and
Bakkeren, G. 2013. Conserved loci of leaf and stem rust share synteny
interrupted by lineage-specific influx of repeat elements. BMC Genomics 14:60 [Abstract]
[PDF]
Wang, X., McCallum, B.D., Fetch, T., Bakkeren, G. Marais, G.F. and
Saville, B.J. 2013. Comparative microscopic and molecular analysis of Thatcher
near-isogenic lines with wheat leaf rust resistance genes Lr2a, Lr3, LrB or Lr9 upon challenge with different Puccinia triticina races. Plant Pathology 62, 698-707 [Abstract]
[PDF]
Laurie, J. D., Linning, R., Wong, P. and Bakkeren G. 2013. Do TE activity
and counteracting genome defenses, RNAi and methylation, shape the sex lives of
smut fungi? Plant Signal. Behavior 8, e23853 [Abstract]
[PDF]
Laurie, J. D.,
Ali, S. Linning, R., Mannhaupt, G., Wong, P.,
Güldener, U., Münsterkötter, M., Moore, R., Kahmann,
R., Bakkeren, G., and Schirawski, J. 2012. Genome comparison of barley and
maize smut fungi reveals targeted loss of RNA silencing components and
species-specific presence of TEs. Plant
Cell 24, 1733-1745 [Abstract]
[PDF]
[PDF
Supplemental]
Bakkeren, G. Kruzel, E.K., and Hull, C.M. 2012.
Sex and virulence in basidiomycete pathogens. In: Evolution of virulence in
eukaryotic microbes. Eds. L. David Sibley, Barbara J. Howlett,
and Joseph Heitman. Wiley-Blackwell, Hoboken, New
Jersey. ISBN 978-1-118-03818-5. Pp. 437-460 [Abstract]
[PDF]
Ali, S., and Bakkeren, G. 2012. Fungal and oomycete effectors; strategies
to subdue a host. Can. J. Plant Pathol. 33, 425-446 [Abstract]
[PDF]
Xu, J., Linning, R., Fellers, J.,
Dickinson, M., Zhu, W., Antonov, I., Joly, D.L.,
Donaldson, M.E., Eilam, T., Anikster, Y., Banks, T., Munro, S., Mayo, M.,
Wynhoven, B., Ali, J., Moore, R., McCallum, B., Borodovsky, M., Saville, B. and
Bakkeren, G. 2011. Gene discovery in EST sequences from the wheat leaf rust
fungus Puccinia triticina sexual
spores, asexual spores and haustoria, compared to other rust and corn smut
fungi.
Song, X., Rampitsch, C., Soltani, B.,
Mauthe, W., Linning, R., Banks, T., McCallum, B. and Bakkeren, G. 2011. Proteome analysis of wheat leaf rust
fungus, Puccinia triticina, infection
structures enriched for haustoria. Proteomics
11, 944-963 [Abstract]
[PDF]
Ali, S. and
Bakkeren, G. 2011. Introduction of large
Gaudet, D. A.,
Wang, Y., Penniket, C., Frick, M., Lu, Z-X., Bakkeren, G. and Laroche, A. 2010.
Morphological and molecular analyses of host and nonhost interactions involving
barley and wheat and the covered smut pathogen Ustilago hordei. Mol
Plant-Microbe Interact 23, 1619-1634 [Abstract]
[PDF]
Wang, X.,
Bakkeren, G. And McCallum, B. 2010. Virulence and molecular polymorphisms of
the wheat leaf rust fungus Puccinia
triticina in Canada from 1997 to 2007. Botany
88, 575-589 [Abstract]
[PDF]
Wang, X.,
Mulock, B., Bakkeren, G. and McCallum, B. 2010. Development of EST-derived
simple sequence repeat markers for the wheat leaf rust fungus, Puccinia triticina Eriks.
Can J Plant Pathol 32, 98-107 [Abstract]
[PDF]
Laurie, J. D.,
Linning, R. and Bakkeren, G. 2008. Hallmarks of RNA silencing are found in the
smut fungus Ustilago hordei but not
in its close relative Ustilago maydis.
Curr Genetics 53, 49-58.
DOI:10.1007/s00294-007-0165-7 [Abstract]
[PDF]
Bakkeren, G.,
Kämper, J. and Schirawski, J. 2008. Sex in smut fungi: structure, function and evolution
of mating type complexes. Review; special Fungal Genome issue. Fungal Genetics & Biology 45, S15-S21. [Abstract]
[PDF]
Grewal, T. S.,
Rossnagel, B. G., Bakkeren, G. and Scoles, G. J. 2008. Identification of barley
covered smut resistance genes and mapping of Ruh1 using Ustilago hordei
strains with defined avirulence genes. Can
J Plant Pathol. 30(2), 277-284. [Abstract]
[PDF]
Hu, G. G.,
Linning, R., McCallum, B., Banks, T., Cloutier, S., Butterfield, Y., Liu, J.,
Kirkpatrick, R., Stott, J., Yang, G., Smailus, D.,
Jones, S., Marra, M., Schein, J. and Bakkeren,
G. (2007). Generation of a wheat leaf rust, Puccinia triticina,
EST database from stage-specific cDNA libraries. Mol Plant Pathol, 8 (4), 451-467. [Abstract] [PDF] [Supplemental]
Hu, G., Kamp, A., Linning, R., Naik, S.
and Bakkeren, G. (2007) Complementation of Ustilago maydis MAPK mutants
by a Wheat Leaf Rust, Puccinia triticin,
homolog: potential for functional analyses of rust genes. Mol. Plant-Microbe Interact. 20, 637-647.
[Abstract]
[PDF]
Bakkeren, G. and Kronstad, J. W. (2007) Bipolar and tetrapolar mating systems in the Ustilaginales.
In: Sex in fungi: molecular determination and evolutionary
Implications, Eds. J. Heitman, J. W. Kronstad, J. Taylor, L. Casselton. American Society for
Microbiology (ASM), pp. 389-404. [Abstract]
[PDF]
Bakkeren, G., Jiang, G., Warren, R.,
Butterfield, Y., Shin, H., Chiu, R., Schein, J., Lee, N., Kupfer,
D., Roe, B., Jones, S., Marra, M., Kronstad, J. W. (2006) Physical mapping of
the genome of the fungal pathogen Ustilago
hordei and annotation of the 500 kb
Naik, S., Hampson, C., Gasic, K., Bakkeren, G. and Korban, S. S. (2006)
Development and linkage mapping of E-
Webb, C. A., Szabo, L. J., Bakkeren,
G., Garry, C., Staples, R. C., Eversmeyer, M. and
Fellers, J. P. (2006) Transient Expression and insertional mutagenesis of
Puccinia triticina using biolistics. Funct Int Genomics,
6, 250-260. [Abstract]
[PDF]
Horton, J. S., Bakkeren, G., Klosterman, S. J., Garcia-Pedrajas,
M. and Gold, S. E. (2005) Genetics of morphogenesis in Basidiomycetes. In: Applied Mycology and Biotechnology. Vol.
5 & 6. ‘Genetics, Genomics and Bioinformatics’. (Ed. D. K. Arora) Elsevier,
Dordrecht. pp 353-422. [Abstract]
[PDF]
Zhou, L.,
Kappel, F., Wiersma, P.A., Hampson, C.R., and Bakkeren, G. (2005),
"Genetic analysis and
Linning, R.,
Lin, D., Lee, N., Abdennadher, M., Gaudet, D.,
Thomas, P., Mills, D., Kronstad, J. W. and Bakkeren, G. (2004) Marker-based
cloning of the region containing the UhAvr1 avirulence gene from the
basidiomycete barley pathogen Ustilago hordei. Genetics 166, 99 - 111. [Abstract]
[PDF]
Bakkeren, G.
and Gold, S. (2004) The path in fungal plant pathogenicity; many opportunities
to outwit the intruders? Review. In: Genetic Engineering, Principles &
Methods, Vol. 26. (Ed. J. K. Setlow), Plenum
Press, New York., pp. 175 - 223. [Abstract]
[PDF]
Braithwaite, K. S., Bakkeren, G.,
Croft, B. J., and Brumbley, S. M. (2004) Genetic
variation in a worldwide collection of the sugarcane smut fungus Ustilago scitaminea. Proc Aust Soc Sugar Cane Technol, Vol. 26, 48-56. [Abstract]
[PDF]
Hu, G.G.,
Linning, R., and Bakkeren, G. (2003) Ultrastructural comparison of a compatible
and incompatible interaction triggered by the presence of an avirulence gene
during early infection of the smut fungus, Ustilago hordei, in barley. Physiological
Mol Plant Pathol, 62,
155-166. [Abstract]
[PDF]
Menzies, J.G.,
Bakkeren, G., Matheson, F., Procunier, J. D. and Wood, S. (2003) The use of
inter-simple sequence repeats (ISSRs) and amplified fragment length
polymorphisms (AFLPs) to analyze genetic relationships among species of Ustilago.
Phytopathology 93, 167-175. [Abstract]
[PDF]
Hu, G.G.,
Linning, R., and Bakkeren, G. (2002) Sporidial mating
and infection process of the smut fungus, Ustilago hordei, in
susceptible barley. Can J Bot, 80, 1103-1114. [Abstract]
[PDF]
Zhou, L.,
Kappel, F., Hampson, C., Wiersma, P. A. and Bakkeren, G. (2002) Genetic
analysis and discrimination of sweet cherry cultivars using amplified fragment
length polymorphism fingerprints. J Amer Soc Hort Sci,
127, 786-792. [Abstract]
[PDF]
Zhou, L., Kappel, F., MacDonald, R., Bakkeren, G.,
Hampson C. and Wiersma, P. (2002) Determination of S-genotype and
self-fertility of sweet cherry in Summerland advanced selections. J Amer Pom Soc 56(3), 173-179. [PDF]
Bakkeren, G.,
Kronstad, J. W. and Lévesque, C. A. (2000) Comparison of AFLP fingerprints and
ITS sequences as phylogenetic markers in Ustilaginomycetes.
Mycologia, 92, 510-521. [Abstract]
[PDF]
Lee, N.,
Bakkeren, G., Wong, K., Sherwood, J. E. and Kronstad, J. W. (1999) The mating
type and pathogenicity locus of the fungus Ustilago hordei spans a
500-kb region. Proc Natl Acad Sci USA, 96,
15026-15031. [Abstract]
[PDF]
Bakkeren, G.
and Kronstad, J. W. (1996) The pheromone cell signalling components of the Ustilago
a mating-type loci determine intercompatibility
between species. Genetics, 143, 1601-1613. [Abstract]
[PDF]
Bakkeren, G.
and Kronstad, J. W. (1994) Linkage of Mating-Type Loci Distinguishes Bipolar
from Tetrapolar Mating in Basidiomycetous
Smut Fungi. Proc Natl Acad
Sci USA, 91, 7085-7089. [Abstract]
[PDF]
Gold, S. E.,
Bakkeren, G., Davies, J. E. and Kronstad, J. W. (1994) Three selectable markers
for transformation of Ustilago maydis. Gene, 142, 225-230. [Abstract]
[PDF]
Bakkeren, G.
and Kronstad, J.W. (1993) Conservation of the b Mating-Type Gene Complex among
Bipolar and Tetrapolar Smut Fungi. Plant Cell, 5, 123-136. [Abstract]
[PDF]
Bakkeren, G., Gibbard, B., Yee, A., Froeliger,
E., Leong, S. and Kronstad, J. (1992) The a and b loci of Ustilago maydis
hybridize with
Mayerhofer, R., Koncz-Kalman,
Z., Nawrath, Ch., Bakkeren, G., Crameri,
A., Angelis, K., Redei, G., Schell, J., Hohn, B. and Koncz, C. (1991) T-
Bakkeren, G., Koukolíková-Nicola, Z., Grimsley,
N. and Hohn, B. (1989) Recovery of Agrobacterium
tumefaciens T-
Hohn, B., Koukolíková-Nicola,
Z., Bakkeren, G. and Grimsley, N. (1989) Agrobacterium-mediated
gene transfer to monocots and dicots. Genome, 31, 987-993. [Abstract]
[PDF]
Cornelissen,
A.W.C.A., Bakkeren, G.A.M., Barry, J.D., Michels,
P.A.M. and Borst, P. (1985) Characteristics of Trypanosome
variant antigen genes active in the tsetse fly. Nucl
Acid Res, 13, 4661-4676. [Abstract]
[PDF]
Schetgens, T.M.P., Bakkeren, G., van Dun, C.,
Hontelez, J.G.J., van den Bos,
R.C. and van Kammen, A. (1984) Molecular cloning and
functional characterization of Rhizobium leguminosarum
structural nif -genes by site-directed transposon
mutagenesis and expression in E.coli minicells. J Molec Appl Gen, 2, 406-421. [Abstract]
Chapters in conference proceedings:
Bakkeren, G., Song, X., Panwar, V.,
Linning, R., Wang, X., Rampitsch, C., McCallum, B., Fellers, J., and Saville,
B. 2012. Functional genomic approaches
in cereal rusts. Can J Plant Pathol. 34. 3-12.
(Symposium “Contributions of Genomics to Plant Pathology” at the Joint Meeting
of the Canadian Phytopathological Society and Pacific
Division of the American Phytopathological Society,
University of British Columbia, Vancouver, BC, June 20-23, 2010) [Abstract]
[PDF]
Kronstad, J.,
Gold, S., Yee, A., Laity, C., Bakkeren, G., Duncan, G., Barrett, K., Giasson, L., Campbell, R. and Athwal,
G. (1995) Control of filamentous growth by mating and cyclic-AMP in Ustilago.
Proceedings of the 5th International Mycology Congress, Can J Bot, 73,
258-265. [Abstract]
[PDF]
Kronstad, J.,
Yee, A., Bakkeren, G., Gold, S., Barrett, K. and Giasson,
L. (1993) The genetics of dimorphism in the smut fungi. In: Advances in
Molecular Genetics of Plant-Microbe Interactions, Vol.2, E.W. Nester and
D.P.S. Verma, eds
(Dordrecht, Kluwer), pp. 325-333. [Abstract]
[PDF]
Hohn, B., Koukolíková-Nicola,
Z., Dürrenberger, F., Bakkeren, G. and Koncz, C. (1991) The T-
Bakkeren, G.,
Gal, S. and Hohn, B. (1990) Involvement of Agrobacterium
tumefaciens Virulence E and C proteins in T-
Hohn, B., Gietl, C., Dürrenberger, F., Bakkeren, G., Grimsley,
N. and Koukolíková-Nicola, Z. (1988) The mechanism of
T-
Schetgens, T. M. P., Bakkeren, G., van Dun, C.,
Hontelez, J. G. J., van Kammen,
A. and van den Bos, R. C. 1984. Identification and
analysis of the expression of Rhizobium leguminosarum presymbiotic
genes. Advances in Agricultural Biotechnology 4(4): 699
Van den Bos, R.C, T.M.P. Schetgens,
J.G.J. Hontelez, G. Bakkeren, C. van Dun, . 1983.
Expression of nodule specific genes in both partners in the Rhizobium legume symbiosis. Endocytobiology, Vol. 2: Intracellular space as oligogenetic ecosystem: proceedings 2nd International
colloquium on endocytobiology, Tübingen,
Germany, April 10-15, Eds.: Hainfried E.A. Schenk,
Werner Schwemmler, Walter de Gruyter
& Co., Berlin - New York, ISBN 3110086603
Ph.D. thesis, University of Basel, Switzerland.
Bakkeren, G.
(1989) An analysis of interkingdom movement of
genetic information by rescue of Agrobacterium tumefaciens T-