Andrew Ndhlovu

Andrew Ndhlovu
Stellenbosch University | SUN · Department of Botany and Zoology

PhD

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8
Publications
2,407
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26
Citations

Publications

Publications (8)
Article
Full-text available
The discovery of caspase homologs in bacteria highlighted the relationship between programmed cell death (PCD) evolution and eukaryogenesis. However, the origin of PCD genes in prokaryotes themselves (bacteria and archaea) is poorly understood and a source of controversy. Whether archaea also contain C14 peptidase enzymes and other death domains is...
Article
Full-text available
Programmed cell death (PCD) in unicellular organisms is in some instances an altruistic trait. When the beneficiaries are clones or close kin, kin selection theory may be used to explain the evolution of the trait, and when the trait evolves in groups of distantly related individuals, group or multilevel selection theory is invoked. In mixed microb...
Article
Full-text available
A non-toxic red tide with resulting anoxia was the cause of a major harmful algal bloom in St Helena Bay, South Africa, in February and March 2015. The red tide was observed along approximately 200 km of the Namaqua coastline extending well north of the Olifants River and southward into the bay. A maximum cell concentration of 14.32 × 10⁶ cells l⁻¹...
Article
Full-text available
Author summary Many programs have been developed to boost the technical and computational skills of scientists working in low to medium income countries (LMIC), who often struggle to remain competitive with their peers in more developed parts of the world. Typically, these programs rely on intensive workshops where students acquire and exercise the...
Article
Full-text available
Selective pressures at the DNA level shape genes into profiles consisting of patterns of rapidly evolving sites and sites withstanding change. These profiles remain detectable even when protein sequences become extensively diverged. A common task in molecular biology is to infer functional, structural or evolutionary relationships by querying a dat...
Article
Full-text available
The evolutionary rate at codon sites across protein-coding nucleotide sequences represents a valuable tier of information for aligning sequences, inferring homology and constructing phylogenetic profiles. However, a comprehensive resource for cataloguing the evolutionary rate at codon sites and their corresponding nucleotide and protein domain sequ...

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