Prolamin box gene transcriptions

Editor-In-Chief: Henry A. Hoff

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"The BPBF [barley prolamin-box (P-box) binding factor] expressed in bacteria as a GST-fusion binds a P-box 5′-TGTAAAG-3′ containing oligonucleotide derived from the promoter region of anHor2gene."^[1]

"The primary structure of hordein [barley prolamins] polypeptides is closely related to that of prolamins from other grass species from the Pooideae subfamily, such as wheat and rye (Shewry & Tatham 1990;Shewry et al. 1995)."^[1]

Consensus sequences

"The close evolutionary relationship is also manifested by the conservation of a putative regulatory element in their gene promoters, the endosperm box (Forde et al. 1985;Kreis et al. 1985). This conserved region consists of two motifs, a 7 bp element (5′TGTAAAG3′) termed the Prolamin Box (P-box) or endosperm motif (EM) followed at a distance of up to 8 nucleotides by the GCN4-like motif (GLM) which has the 5′(G/A)TGA(G/C)TCA(T/C)3′ consensus sequence (reviewed by Müller et al. 1995)."^[1]

"The main cis-element present in their promoters is an endosperm-specific box [19,20], which consists of two motifs: a GLM (GCN4-like motif) (5′ G(A)TGA(G) GTCAT 3′) that shares homology with yeast GCN4 [21], and a 7 bp P-box (Prolamin box) (5′TGTAAAG3′) [22–24]."^[2]

A1BG sampling

For the Basic programs (starting with SuccessablesProl.bas) written to compare nucleotide sequences with the sequences on either the template strand (-), or coding strand (+), of the DNA, in the negative direction (-), or the positive direction (+), the programs are, are looking for, and found:

negative strand in the negative direction (from ZSCAN22 to A1BG) is SuccessablesProl--.bas, looking for TG(A/T)AAAG, 1, TGTAAAG-5 at 2884,
negative strand in the positive direction (from ZNF497 to A1BG) is SuccessablesProl-+.bas, looking for TG(A/T)AAAG, 1, TGAAAAG at 3928,
positive strand in the negative direction is SuccessablesProl+-.bas, looking for TG(A/T)AAAG, 1, TGAAAAG at 1627,
positive strand in the positive direction is SuccessablesProl++.bas, looking for TG(A/T)AAAG, 1, TGAAAAG at 2275, and complement.
complement, negative strand, negative direction is SuccessablesProlc--.bas, looking for AC(A/T)TTTC, 1, ACTTTTC at 1627,
complement, negative strand, positive direction is SuccessablesProlc-+.bas, looking for AC(A/T)TTTC, ACTTTC at 3928,
complement, positive strand, negative direction is SuccessablesProlc+-.bas, looking for AC(A/T)TTTC, 1, ACATTTC at 2884,
complement, positive strand, positive direction is SuccessablesProlc++.bas, looking for AC(A/T)TTTC, 1, ACTTTTC at 3928,
inverse complement, negative strand, negative direction is SuccessablesProlci--.bas, looking for CTTT(A/T)CA, 0,
inverse complement, negative strand, positive direction is SuccessablesProlci-+.bas, looking for CTTT(A/T)CA, 0,
inverse complement, positive strand, negative direction is SuccessablesProlci+-.bas, looking for CTTT(A/T)CA, 0,
inverse complement, positive strand, positive direction is SuccessablesProlci++.bas, looking for CTTT(A/T)CA, 0,
inverse, negative strand, negative direction, is SuccessablesProli--.bas, looking for GAAA(A/T)GT, 0,
inverse, negative strand, positive direction, is SuccessablesProli-+.bas, looking for GAAA(A/T)GT, 0,
inverse, positive strand, negative direction, is SuccessablesProli+-.bas, looking for GAAA(A/T)GT, 0,
inverse, positive strand, positive direction, is SuccessablesProli++.bas, looking for GAAA(A/T)GT, 0.

Prol distal promoters

Negative strand, negative direction: TGTAAAG at 2884, and complement.

Positive strand, negative direction: TGAAAAG at 1627, and complement.

Negative strand, positive direction: TGAAAAG at 3928, and complement.

Positive strand, positive direction: TGAAAAG at 2275, and complement.

Acknowledgements

The content on this page was first contributed by: Henry A. Hoff.

Initial content for this page in some instances came from Wikiversity.

References

↑ ^1.0 ^1.1 ^1.2 Montaña Mena, Jesus Vicente-Carbajosa, Robert J. Schmidt and Pilar Carbonero (1998). "An endosperm-specific DOF protein from barley, highly conserved in wheat, binds to and activates transcription from the prolamin-box of a native B-hordein promoter in barley endosperm". The Plant Journal. 16 (1): 53–62. doi:10.1046/j.1365-313x.1998.00275.x. Retrieved 2017-02-19. Unknown parameter |month= ignored (help)
↑ Veronica Ruta, Chiara Longo, Andrea Lepri, Veronica De Angelis, Sara Occhigrossi, Paolo Costantino and Paola Vittorioso (8 February 2020). "The DOF Transcription Factors in Seed and Seedling Development". Plants. 9 (2): 218. doi:10.3390/plants9020218. Retrieved 7 January 2021.

External links

[Mena1998-1] 1.0 ^1.1 ^1.2 Montaña Mena, Jesus Vicente-Carbajosa, Robert J. Schmidt and Pilar Carbonero (1998). "An endosperm-specific DOF protein from barley, highly conserved in wheat, binds to and activates transcription from the prolamin-box of a native B-hordein promoter in barley endosperm". The Plant Journal. 16 (1): 53–62. doi:10.1046/j.1365-313x.1998.00275.x. Retrieved 2017-02-19. Unknown parameter |month= ignored (help)

[Ruta-2] Veronica Ruta, Chiara Longo, Andrea Lepri, Veronica De Angelis, Sara Occhigrossi, Paolo Costantino and Paola Vittorioso (8 February 2020). "The DOF Transcription Factors in Seed and Seedling Development". Plants. 9 (2): 218. doi:10.3390/plants9020218. Retrieved 7 January 2021.

[1]

[2]

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transcriptions MYB recognition element gene transcriptions Myelocytomatosis transcription factor gene transcriptions Myocyte enhancer factor gene transcriptions N-boxes Ndt80p gene transcriptions Nuclear factor 1 Nuclear factor 𝜿B Nuclear factor gene transcriptions Nuclear factor of activated T cell gene transcriptions (NFAT) Nuclear factor Y gene transcriptions Nutrient-sensing response element gene transcriptions Oaf1p gene transcriptions ORE1 binding site gene transcriptions p53 response element gene transcriptions P63 DNA-binding site gene transcriptions P box gene transcriptions Pdr1,3p gene transcriptions Peroxisome proliferator hormone response element gene transcriptions Phosphate starvation-response transcription factor gene transcriptions Pollen1 element gene transcriptions Polycomb response element gene transcriptions Preinitiation complex Preinitiation complex gene transcriptions Pribnow box gene transcriptions Prolamin box gene transcriptions Promoter gene transcriptions 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