Callus cultures were established from the basal region of in vitro-obtained shoot buds on MS medium supplemented with CH + CW + NAA. Such callus cultures, when grown on MS medium devoid of any growth regulators, regenerated ...

Ramasamy R., Jamnadas H. & Mutinga M.J. 1981. Proteins and surface proteins of Leishmania promastigotes and their possible relevance to the characterisation of strains. International Journal for Parasitology11: 387–390. ...

Valepotriates, mainly isovaltrate and valtrate, have been separated and quantitatively estimated by reversed-phase HPLC in the leaves, flowers, stems and rhizomes of Valeriana kilimandascharica. The isovaltrate/valtrate ...

Patterns of antorbital gland marking by a free-living territorial male gerenuk were investigated in two-week periods in two consecutive years. Marks were removed after the first year and an experimental replicate thus ...

Summary Various savannah reserves are examined to determine whether they are likely to lose substantial numbers of large herbivores if they become isolated. The relationship between the number of ungulate species and ...

1. 1. Aerobic carbohydrate metabolism necessitates a hydrogen shuttle mechanism. 2. 2. This mechanism must supply glyceraldehyde 3-phosphate dehydrogenase with NAD and must not, in itself, detract from the ...

A major factor in the geographical distribution of endemic schistosomiasis in Kenya is the discontinuous distribution of intermediate hosts. Biomphalaria pfeifferi is the main transmitter of S. mansoni and is found in the ...