The BYU Cytogenetics Lab

Department of Plant and Animal Sciences, 327 and 289 WIDB, Brigham Young University, Provo, UT 84602

Tel: (801) 422-7279, Fax: (801) 422-0008
Last update: April 24, 2003
Research interests:

- Chromosome evolution of Chenopodium (quinoa), Avena (oats), and related genera.
- Wild and primitive genetic resource conservation and utilization.
- Genetic and physical genome mapping.
- Identification and generation of aneuploids and other novel genetic stocks.
Personnel:
Rick Jellen, Associate Professor and principal investigator
Theron Baker, undergraduate research assistant (FISH)
Ryan McCarty, undergraduate research assistant (molecular genetics)
Jaron McMullin, undergraduate research assistant (cytology)
Darren Ames, undergraduate research assistant (plant culture)
Jacob Atkinson, undergraduate research assistant (FISH)
Jacob Durrant, undergraduate research assistant (computers)
Doug Raymond, undergraduate research assistant (C-banding)
Images and Tables:

List of hexaploid oat genotypes with/without the 7C-17 translocation

Avena sativa cv. 'Sun II', C-banded karyotype (Jellen et al. 1997)

A. hispanica CAV 6633, C-banded karyotype (Jellen et al. 1996)

A. macrostachya CAV 5264, C-banded

C-banded karyotype of A. insularis, Sicily (Jellen and Ladizinsky 2000)

C-banded nucleus of a synthetic hexaploid oat x Tripsacum dactyloides haploid

A. agadiriana CAV 6730, C-banded karyotype (Jellen et al. 1996)

SW Asian distribution of A. sterilis by cluster (Zhou et al. 1999)

Mediterranean/Near East distribution of A. sterilis by cluster (Zhou et al. 1999)

A. sativa disomic substitution line (A. strigosa crown rust resistance), C-banded (Dilkova et al. 2000)

6C-21 irradiation-induced interchange (Dilkova et al. 2000)

7C-14 interchange in Kanota (Jellen et al. 1993)

Comparative list of Sun II and Kanota aneuploids with respect to deficient chromosomes (Jellen et al. 1997)
Software Links:
QuadMap program for analyzing linkages affected by reciprocal translocations (developed by Jacob Durrant)
Publications in the last 6 years:

Ladizinsky, G. and E.N. Jellen. 2003. Cytogenetic affinities between populations of Avena insularis Ladizinsky from Sicily and Tunisia. Genet. Res. Crop Evol. 50:11-15.

Mitchell, C.C., S.E. Parkinson, T.J. Baker, and E.N. Jellen. 2003. C-banding and localization of 18S-5.8S-26S rDNA in tall oatgrass species. Crop Science 43:32-36.

S.L. Fox, E.N. Jellen, S.F. Kianian, H.W. Rines, and R.L. Phillips. 2001. Allocation of RFLP linkage groups to chromosomes of hexaploid oat using monosomic F1 analysis. Theor. Appl. Genet. 102:320-326.

Jellen, E.N. and J.K. Beard. 2000. Geographical distribution of chromosome 7C and 17 intergenomic translocation segments in cultivated oat germplasm. Crop Sci. 40:256-263.

Dilkova, M., E.N. Jellen, and R. Forsberg. 2000. C-banded karyotypes and microsporogenesis in germplasm derived from interploidy crosses in Avena. Euphytica 111:175-184.

Jellen, E.N. and G. Ladizinsky. 2000. Giemsa C-banding in Avena insularis Ladizinsky. Genet. Res. Crop Evol. 47:227-230.

Zhou, X., E.N. Jellen, and J.P. Murphy. 1999. Progenitor germplasm of domesticated hexaploid oat. Crop Sci. 39:1208-1214.

Jellen E.N., H.W. Rines, S.L. Fox, R.L. Phillips, and B.S. Gill. 1997. Characterization of oat monosomics through C-banding and identification of eight new 'Sun II' monosomics. Theor. Appl. Genet. 95:1190-1195.