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Summary By means of the paper-chromatographic method an attempt was made to gain an insight into the excretion of amino-acids in the
saliva of adult men and women. The amino-acids in this saliva were separated from accompanying obstructives (mucines, proteins,
etc.) by dialysis through cellophane membranes. The fairly large quantities of salts were removed by electrolysis. We obtained
“twodimensional chromatograms”, phenol and a mixture of collidine and lutidine having been used as solvents.
With respect to the above-mentioned excretion of amino-acids in the saliva of 50 adult men and 50 ditto women, there were
notable differences between the sexes. On the whole, the examined saliva samples of the women presented a fairly uniform picture.
Only one amino-acid pattern showed more than 10 amino-acids. Among the 50 men, on the other hand, there were 10 cases where
the examined saliva samples contained from 11 to 15 amino-acids.
Quantitatively, too, a distinct difference between the sexes could be demonstrated. With the exception of valine and taurine,
the men excrete larger quantities of all the amino-acids in their saliva, than the women whose saliva was examined.
Part I:A. Tasman andL. Smith, Antonie van Leeuwenhoek19, 135, 1953. 相似文献
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Singh OP Chandra D Nanda N Sharma SK Htun PT Adak T Subbarao SK Dash AP 《Journal of biosciences》2006,31(5):671-677
Anopheles fluviatilis andAn. minimus complexes, each comprising of at least three sibling species, are closely related and important malaria vectors in Oriental
Region. RecentlyAn. fluviatilis species S, which is a highly efficient malaria vector in India, has been made conspecific withAn. minimus species C (senior synonym) on the basis of homology in 335 base pair nucleotide sequence of D3 domain of 28S ribosomal DNA(rDNA).
We examined the conspecificity of these two nominal species by obtaining and analysing the DNA sequences of nuclear ribosomal
loci internal transcribed spacer 2 (ITS2) and D2-D3 domain of 28S rDNA (28S-D2/D3) from those ofAn. fluviatilis S andAn. minimus C. We found that the sequences ofAn. fluviatilis S are appreciably different from those ofAn. minimus C with pair-wise distance (Kimura-2-parametre model) of 3.6 and 0.7% for loci ITS2 and 28S-D2/D3, respectively. Pair-wise
distance and phylogenetic analyses using ITS2 sequences of members of Minimus and Fluviatilis Complexes revealedthat An. fluviatilis S is distantly related toAn. minimus C as compared to any other members of the Fluviatilis Complex. These findings suggest that the two nominal species,An. fluviatilis S andAn. minimus C, do not merit synonymy. The study also confirms that the reported speciesAn. fluviatilis X is synonym with species S. 相似文献
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