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PhD, FAA, FTSE
Professorial Research Fellow
Centre for Crop Sciences (QAAFI)
S635 Hartley Teakle Building (B83)
The University of Queensland
Brisbane Qld 4072, Australia
Tel: +61 407323260
E-mail: a.koltunow@uq.edu.au
Postal Address: PO Box 1271 Mc Laren Flat, South Australia, 5171
Area of expertise: Plant reproduction; apomixes; male and female gametogenesis; endosperm; seed; fruit and plant development
Selected Publications:
For more publications please download: Brief cv for Koltunow AM.docx
Hands P, Rabiger DS Koltunow A (2016) Mechanisms of endosperm initiation. Plant Reprod 29: 215–225
Salinas-Gamboa R, Johnson SD, Sanchez-Leon N, Koltunow AM, BIelle-Calzada JP (2016) New observations on gametogenic development nd reproductive experimental tools to support seed yield improvement in cowpea [Vigna unguiculata (L.) Walp.] Plant Reprod 29: 165–177
Koltunow A, Rabiger DS (2015) Turning on endosperm in seeds. Nat Plants 1: 15189
Luo M, Day RC, Talbot MJ, Ivanova A, Ashton AR, Chaudhury AM, Macknight RC, Hrmova M, Koltunow AM (2015) Developmentally regulated Heart Stopper, a mitochondrially targeted L18 ribosomal protein gene is required for cell division, differentiation and seed development in Arabidopsis. J Exp Bot 66: 5867–5880
Hand M, Vít P, Krahulcová A, Johnson S, Oelkers K, Siddons H, Chrtek J, Fehrer J, Koltunow A (2015) Evolution of apomixis loci in Pilosella and Hieracium (Asteraceae) inferred from the conservation of apomixis-linked markers in natural and experimental populations. Heredity 114: 17–26
Shirasawa S, Hand ML, Henderson ST, Okada T, Johnson SD, Taylor JM, Spriggs A, Siddons H, Hirakawa H, Isobe S, Tabata S and Koltunow AM (2014). A reference genetic linkage map of apomictic Hieracium species based on expressed markers derived from developing ovule transcripts. Ann Bot 115: 567–580
Du M, Luo M, Zhang R, Finnegan, E; Koltunow A (2014) Imprinting in rice: the role of DNA and histone methylation in regulating parent-of-origin specific expression and determining transcript start sites. Plant J 79: 232–242
Hand M, Koltunow A (2014) The genetic control of apomixis. Genetics 197: 441–450
Kotani Y, Henderson ST, Suzuki G, Johnson SD, Okada T, Siddons H, Mukai Y, Koltunow AM (2014). The LOSS OF APOMEIOSIS (LOA) locus in Hieracium praealtum can function independently of the associated large-scale repetitive chromosomal structure. New Phytol 201: 973–981
Tucker MR, Koltunow AMG (2014) Traffic monitors at the cell periphery: the role of cell walls during early female reproductive cell differentiation in plants. Curr Opin Plant Biol 17: 137–145
Okada T, Hu Y, Tucker MR, Taylor JM, Johnson SD, Spriggs A, Tsuchiya T, Oelkers K, Rodrigues JCM, Koltunow AMG, (2013) Enlarging cells initiating apomixis in Hieracium praealtum transition to an embryo sac program prior to entering mitosis. Plant Physiol 163: 216–231
Ogawa D, Johnson SD, Henderson ST, KoltunowAM (2013) Genetic separation of autonomous endosperm formation (AutE) from the two other components of apomixis in Hieracium. Plant Reprod 26: 113–123
Tucker MR, Okada T, Hu YK, Scholefield A, Taylor JM, Koltunow AMG (2012) Somatic small RNA pathways promote the mitotic events of megagametogenesis during female reproductive development in Arabidopsis. Development 139: 1399–1404
Tucker MR, Okada T, Johnson SD, Takaiwa F, Koltunow AM (2012) Sporophytic ovule tissues modulate the initiation and progression of apomixis in Hieracium. J Exp Bot 63: 3229–3241
Okada T, Ito K, Johnson SD, Oelkers K, Suzuki G, Houben A, Mukai Y, Koltunow AM (2011) Chromosomes carrying meiotic avoidance loci in three apomictic eudicot Hieracium subgenus Pilosella species share structural features with two monocot apomicts. Plant Physiol 157: 1327–1341
Koltunow AMG, Johnson SD, Rodrigues JCM, Okada T, Hu YK, Tsuchiya T, Wilson S, Fletcher P, Ito K, Suzuki G, Mukai Y, Fehrer J, Bicknell RA (2011) Sexual reproduction is the default mode in apomictic Hieracium subgenus Pilosella in which two dominant loci function to enable apomixis. Plant J 66: 890–902
Koltunow A M, Johnson SD, Okada T(2011). Apomixis in Hawkweed: Mendel's experimental nemesis. J Exp Bot 62: 1699–1701
Luo M, Taylor JM, Spriggs A, Zhang H, Wu X, Russel S, Singh M, Koltunow AM (2011) A genome-wide survey of imprinted genes in rice seeds reveals imprinting primarily occurs in the endosperm. PLoS Genet 7: e1002125
Rodrigues, JCM, Okada T, Johnson SD, Koltunow AM (2010) A MULTICOPY SUPPRESSOR OF IRA1 (MSI1) homologue is not associated with the switch to autonomous seed development in apomictic (asexual) Hieracium plants. Plant Sci 179: 590–597.
Rodrigues JCM, Luo M, Berger F and Koltunow AM (2010) Polycomb group gene function in sexual and asexual seed development in Angiosperms. Sex Plant Reprod 23: 123–133
Tucker MR and Koltunow AMG (2009) Sexual and asexual (apomictic) seed development in flowering plants: molecular, morphological and evolutionary relationships. Funct Plant Biol 36: 490–504
Li SF, Milliken ON, Pham H, Seyit R, Napoli, R, Preston J, Koltunow AM, and Parish RW (2009) The Arabidopsis AMYB5 gene regulates mucilage synthesis, seed coat development and trichome morphogenesis. Plant Cell 28: 72–89
Rodruiges JCM, Tucker MR, Johnson SD, Hrmova M and Koltunow AMG. (2008) Sexual and apomictic seed formation in Hieracium requires the plant Polycomb group gene Fertilization Independent Endosperm (FIE). Plant Cell 20: 2372–2386
Goetz M, Hooper LC, Johnson SD, Rodruiges JCM, Vivian-Smith A, Koltunow AM (2007) Expression of aberrant forms of auxin response factor 8 stimulate parthenocarpy in Arabidopsis and tomato. Plant Physiol 145: 351–366
Okada T, Catanach AS, Johnson SD, Bicknell RA, Koltunow AM (2007) An Hieracium mutant loss of apomeiosis 1 is defective in the initiation of apomixis. Sex Plant Reprod 20: 199–211
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