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Identification and partial characterization of Rhizopus nigricans Gß proteins and their expression in the presence of progesteroneJeraj, Nataša ...The mammalian steroid hormone progesterone actuates a signalling pathway in the zygomycete Rhizopus nigricans which includes heterotrimeric G proteins. Toinvestigate the possibility that the Gbeta ... subunit of these proteins is involved in the signalling, a cDNA library from R. nigricans exposed to progesterone was prepared and a sequence coding for a Gbeta subunit was searched for. Using degenerate primers, two sequences, RnGPB1 and RnGPB2, wereidentified that exhibited a high degree of identity with those for Gbeta from other filamentous fungi, but not from yeast. The presence of more than one Gbeta subunit is very rare among the fungi, and it has been to date reported only for Rhizopus oryzae. We have shown that progesterone increases the expression of RnGPB1, but has no influence on the expression of RnGPB2. Therefore, our studies imply the involvement of Gbeta subunit 1 in the response of R. nigricans to progesterone. Moreover, the Gbeta subunit is subjected to endogenous ADP-ribosylation in the presence of NAD, which could be important in some, as yet unknown, cell process. Article from a special issue on steroids and microorganisms.Vir: Journal of Steroid Biochemistry and Molecular Biology. - ISSN 0960-0760 (Vol. 129, iss. 1/2, 2012, str. 99-105)Vrsta gradiva - članek, sestavni delLeto - 2012Jezik - angleškiCOBISS.SI-ID - 29898969
Avtor
Jeraj, Nataša |
Stilla, Annalisa |
Petrič, Špela |
Di Girolamo, Maria |
Črešnar, Bronislava, 1950-2024 |
Lenasi, Helena, 1945-
Teme
Amino Acid Sequence |
Fungal Proteins |
Biosynthesis |
Isolation & Purification |
Metabolism |
Molecular Sequence Data |
Nad |
Metabolism |
Progesterone |
Pharmacology |
Rhizopus |
Drug Effects |
Metabolism |
Sequence Alignment |
Molekulsko zaporedje, podatki |
NAD |
Zaporedje razvrstitev |
Rhizopus |
Progesteron |
Aminokislinsko zaporedje |
Glivične beljakovine
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Jeraj, Nataša | 21494 |
Stilla, Annalisa | ![]() |
Petrič, Špela | 28887 |
Di Girolamo, Maria | ![]() |
Črešnar, Bronislava, 1950-2024 | 08777 |
Lenasi, Helena, 1945- | 02934 |
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