نتایج جستجو برای: b napus
تعداد نتایج: 904001 فیلتر نتایج به سال:
طی سی سال گذشته کلزا به یکی از محصولات عمده کشاورزی تبدیل شده است و در حال حاضر نیز سومین منبع روغن گیاهی پس از سویا و نخل روغنی می باشد. بذور آن علاوه بر سطح بالای لیپید، حاوی پروتئین قابل توجهی هستند که حدوداً 25-20 درصد از وزن خشک بذر را تشکیل می دهد. یکی از پروتئین های ذخیره ای مهم در جنین های کلزا پروتئین ناپین (napin) است که طی توسعه بذر ساخته می شود. سنتز پروتئین-های ذخیره ای در ابتدا در ...
manipulation of stress related transcription factors to improve plant stress tolerance is a major goal of current biotechnology researches. myc2 gene encodes a key stress-related transcription factor involved in jasmonate (ja) and abscisic acid (aba) signaling pathways in arabidopsis. brassica napus, as a globally important oilseed crop, is a close relative of arabidopsis. in the present study...
When cultivating genetically modified varieties, the spontaneous gene flow between crop and wild relatives could be of concern. We analyzed spontaneous hybridization between a transgenic male-sterile line of oilseed rape (Brassica napus, 2n = 38, AACC) and, as pollen donors, three European populations of wild radish (Raphanus raphanistrum, 2n = 18, Rr,Rr) and a variety of cultivated radish (Rap...
Sclerotinia stem rot caused by Sclerotinia sclerotiorum affects canola production worldwide. Emerging evidence suggests that long non-coding RNAs (lncRNAs) play important roles in the regulation of gene expression in plants, in response to both abiotic and biotic stress. So far, identification of lncRNAs has been limited to a few model plant species, and their roles in mediating responses to bi...
Seeds of many plant species are green during embryogenesis. To directly assess the influence of light on the physiological status of green oilseeds in planta, Brassica napus and soybean (Glycine max) seeds were rapidly dissected from plants growing in the light or dark. The activation state of malate dehydrogenase, which reflects reduced thioredoxin and NADP/NADPH ratios, was found to be as hig...
Meiotic crossovers (COs) are essential for proper chromosome segregation and the reshuffling of alleles during meiosis. In WT plants, the number of COs is usually small, which limits the genetic variation that can be captured by plant breeding programs. Part of this limitation is imposed by proteins like FANCM, the inactivation of which results in a 3-fold increase in COs in Arabidopsis thalian...
The plant ribosome is composed of 80 distinct ribosomal (r)-proteins. In Arabidopsis thaliana, each r-protein is encoded by two or more highly similar paralogous genes, although only one copy of each r-protein is incorporated into the ribosome. Brassica napus is especially suited to the comparative study of r-protein gene paralogs due to its documented history of genome duplication as well as t...
Stem rot caused by Sclerotinia sclerotiorum in many important dicotyledonous crops, including oilseed rape (Brassica napus), is one of the most devastating fungal diseases and imposes huge yield loss each year worldwide. Currently, breeding for Sclerotinia resistance in B. napus, as in other crops, can only rely on germplasms with quantitative resistance genes. Thus, the identification of quant...
A novel plant protein kinase, designated Brassica napus kinase 1 (BNK1), was isolated from a lambda-pistil cDNA library. The deduced BNK1 protein contains all eleven conserved subdomains of a kinase and encodes a functional serine/threonine protein kinase. Phylogenetic analysis of several plant protein kinase subfamilies showed that BNK1 is most closely related to the NAK subfamily of protein k...
Seed coat color is determined by the type of pigment deposited in the seed coat cells. It is related to important agronomic traits of seeds such as seed dormancy, longevity, oil content, protein content and fiber content. In Brassica napus, inheritance of seed coat color is related to maternal effects and pollen effects (xenia effects). In this research we isolated a mutation of yellow seeded B...
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