supported by the National Natural Science Foundation of China (Grant Nos 30990240 and30121003)
The diploid Oryza species with C-genome type possesses abundant genes useful for rice improvement and provides parental donors of many tetraploid species with the C-genome(BBCC,CCDD).Despite extensive studies,the ph...
supported by the National Natural Science Foundation of China(30990242 and 30121003);the State Key Basic Research and Development Plant of China(9732007CB815704)
Gene duplication plays an important role in the evolution of organisms by allowing functional innovation and the divergence of duplicate genes. Previous studies found two PI-like genes in grass species, sug- gesting f...
supported by the National Natural Science Foundation of China(GrantNo.30121003)
The meiotic behavior of 10 taxa (nine species and one variety) of the genus Pinus was investigated using pollen mother cells (PMCs) to reveal the differentiation among karyotypes. Chromosome spreads were prepared ...
the National Natural Science Foundation of China (30121003)
The complete process of meiosis was investigated in Pinus wallichiana, P. strobus and their artificial hybrid (F1) using microsporocytes. It is revealed that there were slightly lower chiasma frequency, lower ring b...
the State Key Basic Research and Development Plan of China(2003CB715900);the National Natural Science Foundation of China(90408015,30121003 and 30430030).
Cereal genes are classified into two distinct classes according to the guanine-cytosine (GC) content at the third codon sites (GC3). Natural selection and mutation bias have been proposed to affect the GC content....