  We investigate the zero-frequency shot noise of electronic tunneling through
a single quantum dot (SQD) and coherently coupled quantum dots (CQD) taking
into account the Coulomb interaction. Within Hartree-Fock approximation, the
analytical expressions of current and zero-frequency shot noise are
self-consistently derived in the framework of full counting statistics for the
both systems. We demonstrate that the correction term of zero-frequency shot
noise induced by the intradot Coulomb interaction is almost negligible compared
to the noninteracting shot noise in a SQD, while in a CQD the interplay of the
interdot coherence fluctuations and strong interdot Coulomb interaction can
induce a super-Poissonian noise even in the symmetric case.
