PubMed Health⌕ Search

Biomedical subjects

H Mussell

Publications and source records attributed to H Mussell.

3 recordsLinked to original sources

The cell-wall phosphatase of cotton (Gossypium) is inhibited by kelthane.

Kelthane [4,4'-dichloro-alpha-(trichloromethyl)benzhydrol] was previously shown to decrease the limited tolerance of susceptible varieties of cotton (Gossypium) to Verticillium wilt. Kelthane was shown in the present study to inhibit the cell-wall p-nitrophenyl phosphatase of cotton. In view of information already establishing the cell wall as a primary site of action of Verticillium wilt, the data are interpreted as suggesting an as yet undefined interaction between Kelthane, cell-wall phosphatase and verticillium-resistance mechanisms of the cell wall.

4-Nitrophenylphosphatase↗

Polygalacturonases Release Cell-Wall-bound Proteins.

Purified polygalacturonases from two fungi released proteins from wall fractions prepared from three plant species. Peroxidase activity was associated with the proteins released from the cell walls, and several of the protein fractions released contained hydroxyproline. Cellulase, purified free of pectic enzyme activity, was ineffective in releasing cell wall proteins. Specific inhibition of endopolygalacturonase activity prevented release of the proteins.

Journal Article↗