GLM box gene transcriptions

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Editor-In-Chief: Henry A. Hoff

File:Gerstenfeld Mitte Juni 2009.JPG
Gerstenfeld (Hordeum vulgare) mid June 2009 in Heidelberg-Wieblingen. Credit: 3268zauber.{{free media}}

"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). 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]

Consensus sequences

The GCN4-like motif (GLM) [...] has the 5′(G/A)TGA(G/C)TCA(T/C)3′ consensus sequence (reviewed by Müller et al. 1995)."[1]

GLM box sampling of A1BG promoters

For the Basic programs (starting with SuccessablesGLM.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 (+), including extending the number of nts from 958 to 4445, the programs are, are looking for, and found:

  1. negative strand in the negative direction (from ZSCAN22 to A1BG) is SuccessablesGLM--.bas, looking for 3'-(G/A)TGA(G/C)TCA(T/C)-5', 0,
  2. negative strand in the positive direction (from ZNF497 to A1BG) is SuccessablesGLM-+.bas, looking for 3'-(G/A)TGA(G/C)TCA(T/C)-5', 0,
  3. positive strand in the negative direction is SuccessablesGLM+-.bas, looking for 3'-(G/A)TGA(G/C)TCA(T/C)-5', 0,
  4. positive strand in the positive direction is SuccessablesGLM++.bas, looking for 3'-(G/A)TGA(G/C)TCA(T/C)-5', 0,
  5. complement, negative strand, negative direction is SuccessablesGLMc--.bas, looking for 3'-(C/T)ACT(G/C)AGT(A/G)-5', 0,
  6. complement, negative strand, positive direction is SuccessablesGLMc-+.bas, looking for 3'-(C/T)ACT(G/C)AGT(A/G)-5', 0,
  7. complement, positive strand, negative direction is SuccessablesGLMc+-.bas, looking for 3'-(C/T)ACT(G/C)AGT(A/G)-5', 0,
  8. complement, positive strand, positive direction is SuccessablesGLMc++.bas, looking for 3'-(C/T)ACT(G/C)AGT(A/G)-5', 0,
  9. inverse complement, negative strand, negative direction is SuccessablesGLMci--.bas, looking for 3'-(A/G)TGA(G/C)TCA(C/T)-5', 0,
  10. inverse complement, negative strand, positive direction is SuccessablesGLMci-+.bas, looking for 3'-(A/G)TGA(G/C)TCA(C/T)-5', 0,
  11. inverse complement, positive strand, negative direction is SuccessablesGLMci+-.bas, looking for 3'-(A/G)TGA(G/C)TCA(C/T)-5', 0,
  12. inverse complement, positive strand, positive direction is SuccessablesGLMci++.bas, looking for 3'-(A/G)TGA(G/C)TCA(C/T)-5', 0,
  13. inverse, negative strand, negative direction, is SuccessablesGLMi--.bas, looking for 3'-(T/C)ACT(G/C)AGT(G/A)-5', 0,
  14. inverse, negative strand, positive direction, is SuccessablesGLMi-+.bas, looking for 3'-(T/C)ACT(G/C)AGT(G/A)-5', 0,
  15. inverse, positive strand, negative direction, is SuccessablesGLMi+-.bas, looking for 3'-(T/C)ACT(G/C)AGT(G/A)-5', 0,
  16. inverse, positive strand, positive direction, is SuccessablesGLMi++.bas, looking for 3'-(T/C)ACT(G/C)AGT(G/A)-5', 0.

See also

References

  1. 1.0 1.1 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)

External links

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