-
Article
Open AccessSingle-molecule sequencing and Hi-C-based proximity-guided assembly of amaranth (Amaranthus hypochondriacus) chromosomes provide insights into genome evolution
Amaranth (Amaranthus hypochondriacus) was a food staple among the ancient civilizations of Central and South America that has recently received increased attention due to the high nutritional value of the seeds, ...
-
Article
New Diversity Arrays Technology (DArT) markers for tetraploid oat (Avena magna Murphy et Terrell) provide the first complete oat linkage map and markers linked to domestication genes from hexaploid A. sativa L.
Nutritional benefits of cultivated oat (Avena sativa L., 2n = 6x = 42, AACCDD) are well recognized; however, seed protein levels are modest and resources for genetic improvement are scarce. The wild tetraploid, A...
-
Article
Development and use of microsatellite markers for genetic diversity analysis of cañahua (Chenopodium pallidicaule Aellen)
Cañahua (Chenopodium pallidicaule Aellen) is a poorly studied, annual subsistence crop of the high Andes of South America. Its nutritional value (high in protein and mineral content) and ability to thrive in hars...
-
Article
A new chromosome nomenclature system for oat (Avena sativa L. and A. byzantina C. Koch) based on FISH analysis of monosomic lines
Fluorescent in situ hybridization (FISH) with multiple probes was used to analyze mitotic and meiotic chromosome spreads of Avena sativa cv ‘Sun II’ monosomic lines, and of A. byzantina cv ‘Kanota’ monosomic line...
-
Article
Assessment of genetic diversity patterns in Chilean quinoa (Chenopodium quinoa Willd.) germplasm using multiplex fluorescent microsatellite markers
Quinoa (Chenopodium quinoa Willd.) is a staple seed crop in the Andean region of South America. Improving quinoa productivity is a primary food-security issue for this region, and has been part of the impetus for...
-
Article
Simple sequence repeat marker development and genetic map** in quinoa (Chenopodium quinoa Willd.)
Quinoa is a regionally important grain crop in the Andean region of South America. Recently quinoa has gained international attention for its high nutritional value and tolerances of extreme abiotic stresses. ...
-
Article
Construction of a quinoa (Chenopodium quinoa Willd.) BAC library and its use in identifying genes encoding seed storage proteins
Quinoa (Chenopodium quinoa Willd.) is adapted to the harsh environments of the Andean Altiplano region. Its seeds have a well-balanced amino acid composition and exceptionally high protein content with respect to...
-
Article
A genetic linkage map of quinoa (Chenopodium quinoa) based on AFLP, RAPD, and SSR markers
Quinoa (Chenopodium quinoa Willd.) is an important seed crop for human consumption in the Andean region of South America. It is the primary staple in areas too arid or saline for the major cereal crops. The objec...
-
Article
Cytogenetic affinities between populations of Avena insularis Ladizinsky from Sicily and Tunisia
The wild tetraploid oat Avena insularis, which was recently discovered in Sicily has now been detected in two regions in Tunisia. It grows there in a similar habitat as in Sicily and is confined to uncultivated p...
-
Article
Assignment of RFLP linkage groups to chromosomes using monosomic F1 analysis in hexaploid oat
The availability of molecular genetic maps in oat (Avena spp.) and improved identification of chromosomes by C-banding are two recent developments that have made locating linkage groups to chromosomes possible in...
-
Article
Giemsa C-banding in Avena insularis Ladizinsky
The Sicilian wild tetraploid oat Avena insularis is a close relative of A. magna and A. murphyi and is more plausible than either of these two species as the immediate tetraploid ancestor of A. sterilis and the o...
-
Article
C-banded karyotypes and meiotic abnormalities in germplasm derived from interploidy crosses in Avena
C-banded karyotypes of somatic chromosomes and meiotic abnormalities were investigated in four crown rust resistant lines derived from interploidy crosses in Avena.C-banding revealed that line N770-165-2-1 contai...
-
Article
Characterization of ‘Sun II’ oat monosomics through C-banding and identification of eight new ‘Sun II’ monosomics
Monosomics are a powerful tool for genetic map** in allopolyploid plant species such as oat (Avena sativa L., 2n=6x=42). A C-banded karyotype of the oat cultivar Sun II was compared with previously described o...
-
Article
C-banding variation in the Moroccan oat species Avena agadiriana (2n=4x=28)
The C-banding technique was used to describe the chromosomes of a relatively recently-discovered Moroccan oat species, Avena agadiriana (2n=4x=28). A substantial amount of polymorphism for arm ratios and C-bandin...
-
Article
Identification of homoeologous chromosomes in hexaploid oat (A. byzantina cv Kanota) using monosomics and RFLP analysis
The use of RFLP markers, together with a partial set of monosomics available in Avena byzantina cv Kanota, has enabled us to identify putative homoeologous chromosome sets in hexaploid Avena species (2n = 6x = 42...
