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Endophyte fungal isolates from Podophyllum peltatum produce podophyllotoxin.
The lignan podophyllotoxin (1) is highly valued as the precursor to clinically useful anticancer drugs. Substantial drug development of this compound class continues, including potential new use forExpand
A Convenient Microdilution Method for Screening Natural Products Against Bacteria and Fungi
Candida albicans, Cryptococcus neoformans, Mycobacterium tuberculosis, Pseudomonas aeruginosa, and Staphylococcus aureus (methicillin-susceptible and -resistant strains) are some of the most commonExpand
Host range and implications of plant infection by Agrobacterium rhizogenes
Abstract Agrobacterium rhizogenes is the bacterial agent of “hairy root”; disease of many higher plants. This bacterium has been used for insertion of selectable markers into host plants, the cultureExpand
Inhibition of nitrogen fixation in alfalfa by arsenate, heavy metals, fluoride, and simulated Acid rain.
The acute effects of aqueous solutions of As, Cd, Cu, Pb, F, and Zn ions at concentrations from 0.01 to 100 micrograms per milliliter and solutions adjusted to pH 2 to 6 with nitric or sulfuric acidExpand
Toluene removal from air by Dieffenbachia in a closed environment.
  • J. R. Porter
  • Chemistry, Medicine
  • Advances in space research : the official journal…
  • 1 November 1994
Higher plants are likely to play a major role in bioregeneration systems for food, air and water supplies. Plants may also contribute by the removal of toxic organic substances from the air of aExpand
Evaluation of washing procedures for pollution analysis of Ailanthus altissima leaves
A study of nine different washing procedures using Alconox, HCl and Na2 EDTA for use on Ailanthus altissima leaves in particulate pollutant analyses was conducted. Leaf mineral analyses of washed andExpand
Anthocyanins and polyphenol oxidase from dried arils of pomegranate (Punica granatum L.)
Abstract Anthocyanins are natural pigments responsible for red, purple, and blue colouration in plants. Human consumption of anthocyanins is increasing because of the rising awareness and interest inExpand
Antony van Leeuwenhoek: tercentenary of his discovery of bacteria.
  • J. R. Porter
  • Biology, Medicine
  • Bacteriological reviews
  • 1 June 1976
INTRODUCTION Three hundred years ago Anthony van Leeuwenhoek (Fig. 1) wrote some of the most remarkable and significant communications in all scientific literature. According to Dobell (6), about 200Expand
Three new diterpenes and the biological activity of different extracts of Jasonia montana
Three new diterpenes, namely jasonin-a (1), jasonin-b (2), and jasonin-c (3) were isolated from the aerial parts of Jasonia montana (Asteraceae). Their structures were elucidated on the basis ofExpand
Methyl jasmonate increases the production of valepotriates by transformed root cultures of Valerianella locusta
Transformed roots of V. locusta (Valerianaceae) were obtained through transformation with Agrobacterium rhizogenes strains A4 and ATCC 15834. Six known valepotriates, including diavaltrate,Expand