(n.) A genus of plants embracing several species and varieties differing much in appearance and qualities: such as the common cabbage (B. oleracea), broccoli, cauliflowers, etc.; the wild turnip (B. campestris); the common turnip (B. rapa); the rape or coleseed (B. napus), etc.
Example Sentences:
(1) Thus, although the genes involved in self-incompatibility in Brassica and Nicotiana are not homologous in their coding regions, signals for expression of these genes are apparently conserved between the two genera.
(2) A cDNA clone encoding a Brassica napus drought-induced 22 kDa (BnD22) protein has been isolated and characterized.
(3) The coding sequence of both B. napus genes are highly homologous (96% and 93% respectively) to a Brassica campestris ACP cDNA sequence, suggesting that they may have evolved from this ancestral gene.
(4) This is the first study in which an attempt has been made to define the inducing compounds in Brassica vegetables by feeding the individual purified glucosinolates.
(5) The sequence is reported of a cDNA molecule homologous to an mRNA from stigma tissue of Brassica oleracea plants homozygous for the S5 self-incompatibility allele.
(6) In both studies the mean plasma half-life of caffeine was reduced by approximately 20% following a Brassica diet, suggesting that Brassica vegetables stimulate caffeine metabolism.
(7) No binding with either toxin form could be observed with hemocytes of P. brassicae.
(8) The two Brassica species and R. sativa contain roughly equal amounts (12-14 kb) of cpDNA sequences integrated within their 208-242 kb mtDNAs.
(9) This would suggest that the duplications which gave rise to the different members occurred independently in the two groups of species after separation of Arabidopsis from the Brassica lineage.
(10) Antibodies were raised against the major seed apolipoproteins of Brassica napus, Sinapis alba and Raphanus sativum.
(11) Both protoxin and activated toxin bound to primary midgut cell cultures of Pieris brassicae larvae as well as to cells of an established culture of Drosophila melanogaster.
(12) The presence of a fragment of polyA resistant to both T1 and p ribonucleases in mRNAs extracted from wing imaginal disks of an insect, Pieris brassicae, is reported.
(13) The successful transfer of a marker gene (hpt gene) from Brassica nigra into B. napus via direct gene transfer was demonstrated.
(14) In ligand blotting experiments the toxin bound proteins of 120 kDa in M. sexta, 125 kDa in P. brassicae and numerous proteins in H. zea.
(15) Levels of indolylglucosinolates in Brassica vegetables correlated significantly with the amounts of N-nitroso compounds formed in these vegetables after nitrite treatment.
(16) An ATP-independent DNA topoisomerase has been isolated from chloroplasts of cauliflower leaves (Brassica oleracea var.
(17) These results show the development in the rhizosphere of Brassica campestris of a very active microbiological process of insoluble phosphorus mineral compounds dissolution; thus, the growing of Brassica may be expected to raise the phosphorous fertility level of the soil.
(18) Adenine phosphoribosyltransferase was purified from Brassica juncea leaves approximately 4000-fold, to homogeneity.
(19) When fused to napin regulatory sequences, the exotoxin gene specifically arrested embryo development in the seeds of transgenic Brassica napus plants concomitant with the onset of napin expression.
(20) Sequence analysis of the Ogura-specific mitochondrial DNA (mtDNA) fragment isolated previously from Brassica cybrids carrying Ogura cytoplasmic male sterility (cms) revealed a tRNA(fMet) sequence, a putative 138 amino acid open reading frame (orf138), and a 158 amino acid ORF (orf158) previously observed in mitochondrial genomes from several other plant species.
Crucifer
Definition:
(n.) Any plant of the order Cruciferae.
Example Sentences:
(1) In conclusion, DNA has been transferred sequentially from the chloroplast to the mitochondrion during crucifer evolution and there cpDNA sequences can persist in the mitochondrial genome over long periods of evolutionary time.
(2) Consumption of vegetables, especially crucifers, reduces the risk of developing cancer.
(3) The acid-condensed mixture of indole-3-carbinol (a component of crucifers) binds to the TCDD receptor and causes responses similar to those of TCDD.
(4) We examined the tempo and mode of mitochondrial DNA (mtDNA) evolution in six species of crucifers from two genera, Brassica and Raphanus.
(5) However, certain cpDNA sequences, including the central portion of the rbcL gene and the 3' end of the psaA gene, are shared by all six crucifer mtDNAs and appear to have been transferred in a common ancestor of the crucifer family over 30 million years ago.
(6) High efficiencies of transformation to hygromycin resistance were achieved employing the bacterial hygromycin B phosphotransferase gene with N. crassa, the patulin-producer Penicillium urticae, and the causal agent of blackleg disease of crucifers, Leptosphaeria maculans.
(7) The GL1 gene is required for the initiation of differentiation of hair cells (trichomes) on the crucifer, Arabidopsis thaliana.
(8) An allozyme analysis of trematode species Glypthelmins californiensis, Glypthelmins quieta, Glypthelmins pennsylvaniensis, Glypthelmins hyloreus, and Haplometrana intestinalis from hosts Rana aurora, Rana clamitans, Hyla crucifer, Pseudacris triseriata, and Rana pretiosa, using starch gel electrophoresis, revealed allozymes for glucose-phosphate isomerase, lactate dehydrogenase, malate dehydrogenase, and isocitrate dehydrogenase that were similar in electrophoretic mobility to host tissue controls.
(9) Southern blot hybridization techniques were used to examine the chloroplast DNA (cpDNA) sequences present in the mitochondrial DNAs (mtDNAs) of two Brassica species (B. campestris and B. hirta), two closely related species belonging to the same tribe as Brassica (Raphanus sativa, Crambe abyssinica), and two more distantly related species of crucifers (Arabidopsis thaliana, Capsella bursa-pastoris).
(10) Here we present recent progress on flower and root morphogenesis in the small crucifer Arabidopsis thaliana.
(11) A comparison of several crucifer mitochondrial DNAs indicates that this rearrangement also occurs in the normal radish cytoplasm and is, therefore, not involved in Ogura CMS.
(12) We have found that Arabidopsis thaliana is susceptible to infection with a crucifer strain of tobacco mosaic virus (TMV-Cg); the coat protein of TMV-Cg accumulated to a high level in uninoculated rosette leaves several days after inoculation.
(13) Although crucifers may provide some protection from cancer when taken prior to a carcinogen, when taken after a carcinogen they act as promoters of carcinogenesis.
(14) While the crucifer Arabidopsis thaliana does not have a self-incompatibility system, S-related sequence were detected in this species by cross-hybridization with Brassica DNA probes.
(15) The fast generation time, small genome size and extensive genetic map of the crucifer Arabidopsis thaliana have made it the subject of an increasing number of studies in plant molecular genetics.
(16) Survey of extracts of a variety of commonly consumed, organically grown vegetables for quinone reductase inducer activity identified crucifers (and particularly those of the genus Brassica) as singularly rich sources.
(17) Crucifers contain naturally occurring components that are goitrogenic, resulting from the combined action of allyl isothiocyanate, goitrin, and thiocyanate.
(18) Autoradiographic studies with [3H]1,25-dihydroxyvitamin D3 demonstrated nuclear high affinity binding sites (receptors) in epithelial cells of choroid plexus, ependyma and arachnoid in "seasonal" breeders of various vertebrate phyla, namely Xiphophorus helleri, Hyla crucifer, Xenopus laevis, Bufo woodhousei, Chrysemys scripta, Anolis carolinensis, Nerodia sipedon and Phodopus sungorus, but vitamin D receptors were undetectable in these tissues in non-seasonal breeders, such as zebra finch, laboratory mice and rats.
(19) The percentage of DNA from the crucifer Matthiola incana coding for different types of RNA was measured by filter saturation hybridisation experiments using RNA labelled in vivo.
(20) Four species of frogs Rana sylvatica, Hyla versicolor, Hyla crucifer and Pseudacris triseriata, survived extracellular freezing at moderate subzero temperatures (-2 to -4 degrees C) for periods of time ranging up to 2 weeks.