Sze Ling Tang

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Genomic in situhybridization (GISH) to root-tip cells at mitotic metaphase, using genomic DNA probes from Thinopyrum intermedium and Pseudoroegneria strigosa, was used to examine the genomic constitution of Th. intermedium, the 56-chromosome partial amphiploid to wheat called Zhong 5 and disease-resistant derivatives of Zhong 5, in a wheat background.(More)
Haloarchaeal flagella are composed of a number of distinct flagellin proteins, specified by genes in two separate operons (A and B). The roles of these flagellins were assessed by studying mutants of H. salinarum with insertions in either the A or the B operon. Cells of the flgA- mutant produced abnormally short, curved flagella that were distributed all(More)
All Archaea catalyse the conversion of pyruvate to acetyl-CoA via a simple pyruvate oxidoreductase. This is in contrast to the Eukarya and most aerobic bacteria, which use the pyruvate dehydrogenase multienzyme complex [PDHC], consisting of multiple copies of three component enzymes: E1 (pyruvate decarboxylase), E2 (lipoate acetyl-transferase) and E3(More)
OBJECTIVES To investigate mothers' perspectives on the quality of postpartum care services in central Shanghai, China. DESIGN Semi-structured interviews. SETTING Two maternal and child health posts in two subdistricts in LW District, Central Shanghai, China. STUDY PARTICIPANTS Fifty postpartum mothers who attended the maternal and child health posts(More)
In this study, reverse transcriptase PCR was employed to construct a transcriptional profile of Mycoplasma pneumoniae lipoprotein genes contained in six multigene families. Most genes were found to be expressed. Many truncated lipoprotein genes were expressed, often polycistronically with other truncated genes, indicating that these genes may still be(More)
The socio-economic reforms launched in China in the late 1970s led to rapid economic growth and, with it, health sector resources expanded rapidly. The rural health services have benefited from the policies of economic reform, but not in an optimal way, particularly in poor areas. This article uses a case study of a poor county--Donglan--to illustrate that(More)
Cryptococcus albidus utilizes glutamate as a sole carbon source. The kinetics of uptake of this amino acid were studied. l-Glutamic acid was taken up by two saturable systems: a high affinity system with a Michaelis constant (K(m)) of 1.15 x 10(-5) M and a V(max) of 0.049 mumol per mg per h and a low affinity system with a K(m) of 2.5 x 10(-3) M and a(More)