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OBJECTIVE We studied root nodule proliferation, nodule microstructure, genetic cluster and stress resistance of the rhizobium of Trigonella arcuata. METHODS We characterized root nodule and rhizobium with various soil matrixes cultivation, paraffin section, resin semi-ultrathin section techniques, and 16S rRNA gene cluster analysis. RESULTS (1) Plants(More)
Here, the major histocompatibility complex (MHC) class II alpha chain gene in the Chinese longsnout catfish (Leiocassis longirostris) was characterized through cloning, sequencing, polymorphism analysis, and expression patterns in various tissues. The full-length LeloDAA cDNA comprises 1,114 bp with a 5′-UTR region of 79 bp, an open reading frame of 714 bp(More)
Cartilaginous fishes are the oldest jawed vertebrates, from which the major histocompatibility complex (MHC) derived approximately 500 MYA; however, full-length genomic sequences for MHC genes in these species remain undescribed. This lack of basic information about MHC organization in cartilaginous fish is hindering investigations into the relationship(More)
To identify genes expression in Chenopodium album exposed to NaCl stress and screen ESTs related to salt stress, a subtractive suppression hybridization (SSH) library of C. album under salt stress was constructed in the present study. Random EST sequencing produced 825 high-quality ESTs with GenBank ID GE746311–GE747007, which had 301 bp of average size and(More)
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