Search Results - "Dorrington, R.A."

Distinct responses of bacterial communities to agricultural and urban impacts in temperate southern African estuaries by Matcher, G.F., Froneman, P.W., Meiklejohn, I., Dorrington, R.A.

“…Worldwide, estuaries are regarded as amongst the most ecologically threatened ecosystems and are increasingly being impacted by urban development, agricultural…”
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Microalgae in two freshwater lakes and an estuary as a result of groundwater contamination from households by Bate, G. C., Matcher, G. F., Venkatachalam, S., Meiklejohn, I., Dorrington, R. A.

“…The increasing incidence of cyanobacterial blooms in Southern African aquatic systems is raising concern about the potential for these microorganisms to…”
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Insights into the bacterial diversity in a freshwater-deprived permanently open Eastern Cape estuary, using 16S rRNA pyrosequencing analysis by Henninger, T.O., Froneman, P.W., Matcher, G.F., Dorrington, R.A.

“…The aim of this study was to conduct an investigation into the bacterial diversity in the freshwater-deprived Kariega Estuary, situated along the Eastern Cape…”
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Induction of apoptosis in Saccharomyces cerevisiae results in the spontaneous maturation of tetravirus procapsids in vivo by Tomasicchio, M, Venter, P.A, Gordon, K.H.J, Hanzlik, T.N, Dorrington, R.A

“…The Tetraviridae are a family of small, non-enveloped, insect RNA viruses consisting of one or two single-stranded, positive-sense genomic RNAs encapsidated in…”
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Enhanced operational parameters for amino acid production using hydantoin-hydrolysing enzymes of Pseudomonas putida strain RUKM3s immobilised in Eupergit ® C by Bulawayo, B.T., Dorrington, R.A., Burton, S.G.

“…The hydantoin-hydrolysing enzymes in a sonicated crude extract of Pseudomonas putida strain RUKM3s were stabilised by covalent coupling to the well-known…”
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Mutational analysis of the hydantoin hydrolysis pathway in Pseudomonas putida RU-KM3s by MATCHER, G. F, BURTON, S. G, DORRINGTON, R. A

“…The biocatalytic conversion of 5-mono-substituted hydantoins to the corresponding D-amino acids or L-amino acids involves first the hydrolysis of hydantoin to…”
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Over-production of hydantoinase and N-carbamoylamino acid amidohydrolase enzymes by regulatory mutants of Agrobacterium tumefaciens by Hartley, C.J, Manford, F, Burton, S.G, Dorrington, R.A

“…While the hydantoin-hydrolysing enzymes from Agrobacterium strains are used as biocatalysts in the commercial production of D-p-hydroxyphenylglycine, they are…”
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The UGA4 UAS(NTR) site required for GLN3-dependent transcriptional activation also mediates DAL80-responsive regulation and DAL80 protein binding in Saccharomyces cerevisiae by Cunningham, T.S, Dorrington, R.A, Cooper, T.G

“…Expression of the nitrogen catabolic genes in Saccharomyces cerevisiae, including those of the gamma-aminobutyric acid (UGA) and allantoin (DAL) pathways, is…”
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Production of enantiomerically pure amino acids: characterisation of South African hydantoinases and hydantoinase-producing bacteria by Burton, S.G, Dorrington, R.A, Hartley, C, Kirchmann, S, Matcher, G, Phehane, V

“…Chiral amino acid derivatives can be synthesised by the biocatalytic conversion of substituted hydantoins using microbial enzymes or resting cells: a…”
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DAL82 protein of Saccharomyces cerevisiae binds to the DAL upstream induction sequence (UIS) by Dorrington, R.A, Cooper, T.G

“…Expression of the DAL2, DAL4, DAL7, DUR1,2, and DUR3 genes in S. cerevisiae is induced by allophanate, the last intermediate in the allantoin catabolic…”
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A molecular analysis of a broad‐host‐range plasmid isolated from Thiobacillus ferrooxidans by Rawlings, Douglas E., Dorrington, Rosemary A., Rohrer, Jürg, Clennel, Anne‐Marie

“…: A 12.4‐kb plasmid, pTF‐FC2, that was isolated from Thiobacillus ferrooxidans and which is capable of replication in a wide range of Gram‐negative bacteria,…”
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