Comparisons of diverse plant species reveal that only grasses show drastically reduced levels of ubiquitin monomer in mature pollenKULIKAUSKAS, R; HOU, A; MUSCHIETTI, J et al.Sexual plant reproduction (Print). 1995, Vol 8, Num 6, pp 326-332, issn 0934-0882Article

Structure and expression of ubiquitin gene transcripts in pineCARTER, M. C. A; KULIKAUSKAS, R. M; PARK, R. B et al.Canadian journal of forest research (Print). 1995, Vol 25, Num 1, pp 1-7, issn 0045-5067Article