Nifs and Sufs in malaria

K E Ellis1, B Clough, J W Saldanha

  • 1National Institute for Medical Research, Mill Hill, London NW7 1AA, UK.

Molecular Microbiology
|September 14, 2001
PubMed

Insights

Researchers connect bacterial iron metabolism genes to parasite plastid genomes. This links microbial iron-sulfur cluster formation to potential parasite survival mechanisms, offering new avenues for drug discovery.

Area of Science:

  • Microbial genetics
  • Plastid biology
  • Parasitology

Background:

  • Bacterial genetics and iron metabolism are distinct fields from plastid biogenesis and parasitology.
  • Microbial nifS and sufS genes have overlapping functions but require careful differentiation.
  • Parasites like those causing malaria possess degenerate plastid genomes.

Purpose of the Study:

  • To bridge disparate scientific literature on bacterial genetics, plastid biogenesis, and parasitology.
  • To identify connections between bacterial iron metabolism pathways and genes within parasite plastid genomes.
  • To explore the functional significance of the sufB gene in parasitic organisms.

Main Methods:

  • Literature review integrating findings from bacterial genetics, plastid biogenesis, and parasitology.
  • Resolving terminological ambiguities between microbial nifS and sufS genes.
  • Connecting bacterial operons involved in iron metabolism and [Fe-S] cluster formation to plastid-encoded genes.

Main Results:

  • Successfully differentiated microbial nifS from sufS genes.
  • Identified a bacterial operon linked to iron metabolism, [Fe-S] cluster biogenesis, and oxidative stress response.
  • Established a link between this bacterial operon and the sufB gene found on the plastid genome of malaria parasites and related species.

Conclusions:

  • The sufB gene on parasite plastid genomes may play a crucial role in iron metabolism or related processes.
  • This cross-disciplinary connection offers novel insights into parasite biology and potential therapeutic targets.
  • Further research is warranted to elucidate the precise function of sufB in parasitic organisms.

Related Concept Videos

Symbiosis00:58

Symbiosis

Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
Diversity of Protists II01:27

Diversity of Protists II

Alveolates are a group of organisms recognized by the presence of alveoli, which are cytoplasmic sacs located beneath the cell membrane. While their function remains uncertain, alveoli may help regulate water balance by controlling how much water enters and leaves the cell. In dinoflagellates, these structures may serve as armor plates. There are three major types of alveolates: ciliates, which move using cilia; dinoflagellates, which use flagella for movement; and apicomplexans, which are...
Yellow Fever01:18

Yellow Fever

Yellow fever is a viral hemorrhagic disease caused by the yellow fever virus (YFV), a member of the Flaviviridae family. It is transmitted primarily by Aedes and Haemagogus mosquitoes in tropical and subtropical regions of Africa and South America. After transmission through a mosquito bite, the virus initially replicates in skin-resident immune cells such as dendritic cells and macrophages. These cells then migrate to the lymph nodes, where viral replication increases, eventually leading to...
Malaria01:29

Malaria

Malaria pathogenesis in humans reflects a delicate interplay between parasite biology and host response. Clinical illness reflects a host’s immune response to the parasite’s asexual replication cycle, which is often asymptomatic in individuals with partial immunity. From the parasite's perspective, transmission between mosquito and human with minimal host pathology is evolutionarily advantageous. Among the six Plasmodium species infecting humans, P. falciparum and P. vivax dominate in global...
Anthelminthic Agents01:15

Anthelminthic Agents

Anthelmintic drugs differ significantly from antiparasitic therapies targeting protozoa, primarily due to differences in parasite biology. Whereas most protozoal treatments act on proliferating cells, anthelmintics are typically directed against mature, nonproliferative helminths. The therapeutic approach considers the helminth's reliance on neuromuscular coordination, glucose metabolism, and microtubular integrity for survival, reproduction, and localization within the host. Most anthelmintics...