H
Hilde Solheim Ohnstad
Researcher at Norwegian University of Life Sciences
Publications - 4
Citations - 233
Hilde Solheim Ohnstad is an academic researcher from Norwegian University of Life Sciences. The author has contributed to research in topics: Gene & Peptide sequence. The author has an hindex of 4, co-authored 4 publications receiving 216 citations.
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Journal ArticleDOI
Fratricide in Streptococcus pneumoniae: contributions and role of the cell wall hydrolases CbpD, LytA and LytC
TL;DR: It is shown that target cells are lysed much more efficiently when LytA and LytC are provided in cis, i.e. by the target cells themselves, which indicates that LyTA- and LyTC-mediated fratricide represent different processes.
Journal ArticleDOI
Pneumococcal CbpD is a murein hydrolase that requires a dual cell envelope binding specificity to kill target cells during fratricide.
Vegard Eldholm,Ola Johnsborg,Daniel Straume,Hilde Solheim Ohnstad,Kari Helene Berg,Juan A. Hermoso,Leiv Sigve Håvarstein +6 more
TL;DR: Transmission electron microscopy analysis revealed that target cells attacked by CbpD ruptures at the septal region, in accordance with the binding specificity displayed by the CBD domain.
Journal ArticleDOI
LytF, a novel competence-regulated murein hydrolase in the genus Streptococcus.
TL;DR: The results show that a murein hydrolase gene is part of the competence regulon of most or all streptococcal species, demonstrating that these muralytic enzymes constitute an essentialPart of the strePTococcal natural transformation system.
Journal ArticleDOI
Deletion of the murein hydrolase CbpD reduces transformation efficiency in Streptococcus thermophilus.
TL;DR: Interestingly, in contrast to pneumococcal CbpD, which does not affect the transformation properties of the producer strain, deletion of Stu0039 reduces the transformability of S. thermophilus.