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Amino Acid-Dependen...
Amino Acid-Dependent Alterations in Cell Wall and Cell Morphology of Deinococcus indicus DR1
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Chauhan, Deepika (författare)
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Srivastava, Pulkit Anupam (författare)
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- Ritzl, Barbara (författare)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),Molekylär Infektionsmedicin, Sverige (MIMS),Umeå Centre for Microbial Research (UCMR)
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Yennamalli, Ragothaman M. (författare)
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- Cava, Felipe (författare)
- Umeå universitet,Molekylär Infektionsmedicin, Sverige (MIMS),Institutionen för molekylärbiologi (Medicinska fakulteten),Umeå Centre for Microbial Research (UCMR)
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Priyadarshini, Richa (författare)
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(creator_code:org_t)
- 2019-07-03
- 2019
- Engelska.
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Ingår i: Frontiers in Microbiology. - : Frontiers Media S.A.. - 1664-302X. ; 10
- Relaterad länk:
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https://doi.org/10.3...
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https://umu.diva-por... (primary) (Raw object)
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https://www.frontier...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Deinococcus radiodurans exhibits growth medium-dependent morphological variation in cell shape, but there is no evidence whether this phenomenon is observed in other members of the Deinococcaceae family. In this study, we isolated a red-pigmented, aerobic, Deinococcus indicus strain DR1 from Dadri wetland, India. This D. indicus strain exhibited cell-morphology transition from rod-shaped cells to multi-cell chains in a growth-medium-dependent fashion. In response to addition of 1% casamino acids in the minimal growth medium, rod-shaped cells formed multi-cell chains. Addition of all 20 amino acids to the minimal medium was able to recapitulate the phenotype. Specifically, a combination of L-methionine, L-lysine, L-aspartate, and L-threonine caused morphological alterations. The transition from rod shape to multi-cell chains is due to delay in daughter cell separation after cell division. Minimal medium supplemented with L-ornithine alone was able to cause cell morphology changes. Furthermore, a comparative UPLC analysis of PG fragments isolated from D. indicus cells propagated in different growth media revealed alterations in the PG composition. An increase in the overall cross-linkage of PG was observed in muropeptides from nutrient-rich TSB and NB media versus PYE medium. Overall our study highlights that environmental conditions influence PG composition and cell morphology in D. indicus.
Ämnesord
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
Nyckelord
- Deinococcus indicus
- morphological alterations
- amino acids
- cell wall
- muropeptides
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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