Proton lifetime, Yukawa couplings and dynamical SUSY breaking in SU(5)   GUT
  We study the influence of messenger Yukawa couplings and top, bottom and $\tau$ Yukawa couplings on the proton lifetime in SU(5) Supersymmetric GUT with dynamical supersymmetry breaking mechanism due to Dine and Nelson. 
Boris Blok, Cai-Dian Lu and Da-Xin Zhang