A Study of Protein-Protein Interactions in Salmonella Typhimurium
Başlık:
A Study of Protein-Protein Interactions in Salmonella Typhimurium
Yazar:
Tao, Zenan, author.
ISBN:
9780355942552
Yazar Ek Girişi:
Fiziksel Tanımlama:
1 electronic resource (71 pages)
Genel Not:
Source: Masters Abstracts International, Volume: 57-06M(E).
Advisors: Yixin Shi Committee members: Heather Bean; Xuan Wang.
Özet:
The Multiple Antibiotic Resistance Regulator Family (MarR) are transcriptional regulators, many of which forms a dimer. Transcriptional regulation provides bacteria a stabilized responding system to ensure the bacteria is able to efficiently adapt to different environmental conditions. The main function of the MarR family is to create multiple antibiotic resistance from a mutated protein; this process occurs when the MarR regulates an operon. We hypothesized that different transcriptional regulator genes have interactions with each other. It is known that Salmonella pagC transcription is activated by three regulators, i.e., SlyA, MprA, and PhoP. Bacterial Adenylate Cyclase-based Two-Hybrid (BACTH) system was used to research the protein-protein interactions in SlyA, MprA, and PhoP as heterodimers and homodimers in vivo. Two fragments, T25 and T18, that lack endogenous adenylate cyclase activity, were used for construction of chimeric proteins and reconstruction of adenylate cyclase activity was tested. The significant adenylate cyclase activities has proved that SlyA is able to form homodimers. However, weak adenylate cyclase activities in this study has proved that MprA and PhoP are not likely to form homodimers, and no protein-protein interactions were detected in between SlyA, MprA and PhoP, which no heterodimers have formed in between three transcriptional regulators.
Notlar:
School code: 0010
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Yer Numarası | Demirbaş Numarası | Shelf Location | Lokasyon / Statüsü / İade Tarihi |
---|---|---|---|
XX(691778.1) | 691778-1001 | Proquest E-Tez Koleksiyonu | Arıyor... |
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