scholarly journals Rice Straighthead Disease – Prevention, Germplasm, Gene Mapping and DNA Markers for Breeding

Author(s):  
Wengui Yan ◽  
Karen Moldenhauer ◽  
Wei Zhou ◽  
Haizheng Xiong ◽  
Bihu Huang
2009 ◽  
Vol 22 (2) ◽  
pp. 165-172 ◽  
Author(s):  
M. IMAM GHALI ◽  
N. SAIDI-MEHTAR ◽  
G. GUERIN
Keyword(s):  

1996 ◽  
Vol 32 (6) ◽  
pp. 1043-1048 ◽  
Author(s):  
Michel A. Haring ◽  
Frank Schuring ◽  
Jos Urbanus ◽  
Alan Musgrave ◽  
Herman Ende ◽  
...  

Author(s):  
W. Bernard

In comparison to many other fields of ultrastructural research in Cell Biology, the successful exploration of genes and gene activity with the electron microscope in higher organisms is a late conquest. Nucleic acid molecules of Prokaryotes could be successfully visualized already since the early sixties, thanks to the Kleinschmidt spreading technique - and much basic information was obtained concerning the shape, length, molecular weight of viral, mitochondrial and chloroplast nucleic acid. Later, additonal methods revealed denaturation profiles, distinction between single and double strandedness and the use of heteroduplexes-led to gene mapping of relatively simple systems carried out in close connection with other methods of molecular genetics.


2007 ◽  
Vol 28 (3) ◽  
pp. 161-164 ◽  
Author(s):  
Rosalind Arden ◽  
Nicole Harlaar ◽  
Robert Plomin

Abstract. An association between intelligence at age 7 and a set of five single-nucleotide polymorphisms (SNPs) has been identified and replicated. We used this composite SNP set to investigate whether the associations differ between boys and girls for general cognitive ability at ages 2, 3, 4, 7, 9, and 10 years. In a longitudinal community sample of British twins aged 2-10 (n > 4,000 individuals), we found that the SNP set is more strongly associated with intelligence in males than in females at ages 7, 9, and 10 and the difference is significant at 10. If this finding replicates in other studies, these results will constitute the first evidence of the same autosomal genes acting differently on intelligence in the two sexes.


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