Project description:We report here the annotated draft genome sequence of the thermophilic zygomycete <i>Rhizomucor pusillus</i> strain FCH 5.7, isolated from compost soil in Vietnam. The genome assembly contains 25.59 Mb with an overall GC content of 44.95%, and comprises 10,898 protein coding genes. Genes encoding putative cellulose-, xylan- and chitin-degrading proteins were identified, including two putative endoglucanases (EC 3.2.1.4) from glycoside hydrolase family 9, which have so far been mostly assigned to bacteria and plants.

2018-01-01 | S-EPMC6132078 | BioStudies

Molecular identification of Rhizomucor pusillus as a cause of sinus-orbital zygomycosis in a patient with acute myelogenous leukemia.

Project description:Sinus-orbital zygomycosis caused by Rhizomucor pusillus in a patient with acute myelogenous leukemia is described. Identification was achieved by sequencing of the internal transcribed spacer (ITS) regions of the rRNA gene and by expression of zygospores in mating. This report highlights the value of ITS sequencing as a diagnostic tool for the identification of R. pusillus and expands the understanding of infection types caused by this zygomycete.

2005-01-01 | S-EPMC1287840 | BioStudies

Loriculus pusillus

Project description:Loriculus pusillus Genome sequencing and assembly

| PRJNA703631 | ENA

Dive behaviour and foraging effort of female Cape fur seals Arctocephalus pusillus pusillus.

Project description:While marine top predators can play a critical role in ecosystem structure and dynamics through their effects on prey populations, how the predators function in this role is often not well understood. In the Benguela region of southern Africa, the Cape fur seal (Arctocephalus pusillus pusillus) population constitutes the largest marine top predator biomass, but little is known of its foraging ecology other than its diet and some preliminary dive records. Dive information was obtained from 32 adult females instrumented with dive recorders at the Kleinsee colony (29°34.17' S, 16°59.80' E) in South Africa during 2006-2008. Most dives were in the depth range of epipelagic prey species (less than 50 m deep) and at night, reflecting the reliance of Cape fur seals on small, vertically migrating, schooling prey. However, most females also performed benthic dives, and benthic diving was prevalent in some individuals. Benthic diving was significantly associated with the frequency with which females exceeded their aerobic dive limit. The greater putative costs of benthic diving highlight the potential detrimental effects to Cape fur seals of well-documented changes in the availability of epipelagic prey species in the Benguela.

2019-01-01 | S-EPMC6837185 | BioStudies

The mayfly nymph Austrophlebioides pusillus Harker defies common osmoregulatory assumptions.

Project description:Osmoregulation is a key physiological function, critical for homeostasis. The basic physiological mechanisms of osmoregulation are thought to be well established. However, through a series of experiments exposing the freshwater mayfly nymph Austrophlebioides pusillus (Ephemeroptera) to increasing salinities, we present research that challenges the extent of current understanding of the relationship between osmoregulation and mortality. A. pusillus had modelled 96?h LC10, LC50 and LC99 of 2.4, 4.8 and 10?g?l-1 added synthetic marine salt (SMS), respectively. They were strong osmoregulators. At aquarium water osmolality of 256?±?3.12?mmol?kg-1 (±s.e.; equivalent to 10?g?l-1 added SMS), the haemolymph osmolality of A. pusillus was a much higher 401?±?4.18?mmol?kg-1 (±s.e.). The osmoregulatory capacity of A. pusillus did not break down, even at the salinity corresponding to their LC99, thus their mortality at this concentration is due to factors other than increased internal osmotic pressure. No freshwater invertebrate has been previously reported as suffering mortality from rises in salinity that are well below the iso-osmotic point. Recently, studies have reported reduced abundance/richness of Ephemeroptera with slightly elevated salinity. Given that salinization is an increasing global threat to freshwaters, there is an urgent need for studies into the osmophysiology of the Ephemeroptera to determine if their loss at locations with slightly elevated salinity is a direct result of external salinity or other, possibly physiological, causes.

2017-01-01 | S-EPMC5319315 | BioStudies

Genome Sequence of a Tomato-Infecting Tomato Mosaic Virus Isolate from Zimbabwe.

Project description:A tomato-infecting tomato mosaic virus (ToMV) isolate was detected in Zimbabwe using lateral flow kits and double-antibody sandwich enzyme-linked immunosorbent assay. Next-generation sequencing and de novo assembly were subsequently performed to determine its genome sequence. The ToMV genome of the Zimbabwe isolate is the second to be reported in Africa.

2018-01-01 | S-EPMC5854769 | BioStudies

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