Genomic characterization of self-incompatibility ribonucleases (S-RNases) in loquat (Eriobotrya japonica Lindl.) (Rosaceae, Pyrinae)
Author(s) -
Laura Carrera,
Javier Sanzol,
M. Herrero,
J.I. Hormaza
Publication year - 2009
Publication title -
molecular breeding
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.833
H-Index - 101
eISSN - 1572-9788
pISSN - 1380-3743
DOI - 10.1007/s11032-008-9254-7
Subject(s) - eriobotrya , biology , japonica , rosaceae , rnase p , phylogenetic tree , ribonuclease , pollen , genetics , botany , pollen tube , gene , rna , pollination
Loquat (Eriobotrya japonica Lindl) is a fruit tree species of the Pyrinae subtribe of the Rosaceae that behaves as self incompatible. Since self-incompatibility in the Rosaceae is of the gametophytic type where a stylar ribonuclease (S-RNase) controls the female function of pollen-pistil recognition, consensus primers derived from the alignment of S-RNase sequences from other Pyrinae species were used to search for S-RNases in loquat. As a result, the first four S-RNases were sequenced for this species. The genomic sequences obtained showed the structural features of Pyrinae S-RNases.LC was supported by a doctoral (F.P.I.) fellowship of the Spanish Ministry of Education. Financial support for this work was provided by the Spanish Ministry of Education (project grants AGL2003-05318-C02-01, AGL2006-13529-C02-02 and AGL2007-60130/AGR), GIC-Aragón 43 and a contract with Coop. Ruchey (Callosa d´Sarrià, Spain).Peer reviewe
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