Temat: juvenile hormone - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Two disulphide bridges are present in juvenile hormone binding protein from Galleria mellonella.
Autorzy:: Kołodziejczyk, Robert
Dobryszycki, Piotr
Ożyhar, Andrzej
Kochman, Marian
Powiązania:: https://bibliotekanauki.pl/articles/1044035.pdf
Data publikacji:: 2001
Wydawca:: Polskie Towarzystwo Biochemiczne
Tematy:: juvenile hormone binding protein
Galleria mellonella
thiol modifications
disulphide bridges
Opis:: The hemolymph juvenile hormone binding protein (JHBP) from Galleria mellonella contains two disulphide bridges/molecule and no free Cys residues. An alignment of primary structures of other Lepidopteran JHBPs indicates that Cys residues, equivalent to Cys10,17,151,195 in G. mellonellaJHBP, may be involved in -S-S- bridge formation.
Źródło:: Acta Biochimica Polonica; 2001, 48, 4; 917-920
0001-527X
Pojawia się w:: Acta Biochimica Polonica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Developmental expression and hormonal regulation of male-specific yellow protein mRNA in adults of the desert locust, Schistocerca gregaria
Autorzy:: Begum, M.
Rahman, M.M.
Huybrechts, R.
De Loof, A.
Powiązania:: https://bibliotekanauki.pl/articles/55232.pdf
Data publikacji:: 2008
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:: Schistocerca gregaria
yellow protein
phase transition
juvenile hormone
polymorphism
body colour
adult
yellow colouration
insulin
male
sex determination
insect
hormonal regulation
sex hormone
desert locust
Opis:: Adult males of Schistocerca gregaria turn yellow when they become sexually mature. This is due to the deposition in the cuticle of a male-specific Yellow Protein (YP), of which the amino acid sequence is known. Yellowing only happens in crowd-reared (gregarious) males, and results from the deposition of a specific ‘Yellow Protein’. If individual males (solitarious) are isolated after the adult emergence, they become sexually mature but they do not turn yellow. On the basis of a partial YP-mRNA sequence, we established a reverse transcriptase polymerase chain reaction (RT-PCR) assay to study the developmental expression of YP in crowd-reared males, isolated-reared males and females. In crowd-reared adult males the transcription of YP gene started from day 5 on, and reached a maximum at day 12. The effects of juvenile hormone (JH), insulin (bovine), corazonin, ecdysone and 20 0H-ecdysone (20E) on the regulation of YP-mRNA synthesis were also investigated. JH made the cuticle turn yellow and, as shown by RT-PCR, YP-mRNA was induced. The effect of 100 μg JHIII was stronger than that of 10 μg. Insulin was only effective in inducing YP-mRNA synthesis at high dose (19 μg) and after more days (18 d). Corazonin and 20E made the cuticle turn black, but no YP-mRNA synthesis was observed. Ecdysone (10 and 100 μg) showed no effect on body coloration and YP-mRNA. Thus, JH was found to be the most potent inducer among the hormones tested.
Źródło:: Pestycydy; 2008, 1-2; 35-41
0208-8703
Pojawia się w:: Pestycydy
Dostawca treści:: Biblioteka Nauki

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