48results about "Angiosperms/flowering plants" patented technology

According to the invention, there is provided seed and plants of the corn variety designated CV252827. The invention thus relates to the plants, seeds and tissue cultures of the variety CV252827, and to methods for producing a corn plant produced by crossing a corn plant of variety CV252827 with itself or with another corn plant, such as a plant of another variety. The invention further relates to corn seeds and plants produced by crossing plants of variety CV252827 with plants of another variety, such as another inbred line. The invention further relates to the inbred and hybrid genetic complements of plants of variety CV252827.

Disclosed is tin characterized in that a sample of the tin after melting and casting has an α dose of less than 0.0005 cph/cm². Since recent semiconductor devices are highly densified and of high capacity, there is an increasing risk of soft errors caused by the influence of α rays emitted from materials in the vicinity of semiconductor chips. In particular, there are strong demands for high purification of solder materials and tin for use in the vicinity of semiconductor devices, and demands for materials with lower α rays. Accordingly, an object of the present invention is to clarify the phenomenon of the generation of α rays in tin and tin alloys, and to obtain high-purity tin, in which the α dose has been reduced, suitable for the required materials, as well as a method for producing the same.

According to the invention, there is provided a novel soybean variety designated XB49Q07. This invention thus relates to the seeds of soybean variety XB49Q07, to the plants of soybean XB49Q07 to plant parts of soybean variety XB49Q07 and to methods for producing a soybean plant produced by crossing plants of the soybean variety XB49Q07 with another soybean plant, using XB49Q07 as either the male or the female parent.

The invention specifically discloses a tea tree MYB transcription factor CsAN1 and an application thereof in regulation of anthocyanin metabolism. A nucleotide sequence of the tea tree MYB transcription factor CsAN1 is represented as SEQ ID NO:1. CsAN1 is connected with a 35S promoter and then is connected to a pBI121 carrier, meditated transformation of tobaccos is realized by agrobacteria GV3101, meanwhile, the gene as well as genes CsGL3 and CsTTG1 capable of forming compounds with the gene is used for transforming the tobaccos respectively, leaves of overexpressed tobacco plants turn red, anthocyanin content detected by a spectrophotometer is remarkably increased, and two main pigments including cyanidine and delphinidin are detected through HPLC (high performance liquid chromatography).

The present invention relates to formulations comprising aluminum nitride nanoparticles, at least one dispersant and at least one aqueous solvent, to the method for obtaining said formulations as well as to their use for obtaining a leveling barrier layer.

Compositions and methods for protecting a plant from an insect pest are provided. In particular, nucleic acid sequences encoding insect protoxins modified to comprise at least one proteolytic activation site that is sensitive to a plant protease or an insect gut protease are provided. Cleavage of the modified protoxin at the proteolytic activation site by a protease produces an active insect toxin. Methods of using the modified insect protoxin nucleic acid sequences and the polypeptides they encode to protect a plant from an insect pest are provided. Particular embodiments of the invention further provide modified insect protoxin compositions and formulations, expression cassettes, and transformed plants, plant cells, and seeds.

The present invention relates to a Lactuca sativa seed of the cos type designated 41-137 RZ, which exhibits a combination of traits including resistance against downy mildew (Bremia lactucae) races B1:1 to B1:28 and CA-I, CA-IIA, CA-IIB, CA-IV, CA-V, CA-VI, and CA-VIII, currant-lettuce aphid (Nasonovia ribisnigri) biotype Nr:0, root aphid (Pemphigus bursarius), and lettuce mosaic virus (LMV) race LMV:1. The present invention also relates to a Lactuca sativa plant produced by growing the 41-137 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 41-137 RZ.

The invention discloses a rice secretary type thioredoxin gene, coded proteins thereof and application thereof and aims to provide the rice secretary type thioredoxin gene, the coded proteins thereof and a method for improving antioxidant activities of plants and delaying plant senescence by using the gene. The nucleotide sequence of the rice secretary type thioredoxin gene provided by the invention is a No.1 DNA sequence in a sequence table; and the amino acid sequence coded by the secretary type thioredoxin gene is a No.2 amino acid residue sequence in the sequence table. Experiments show that when the gene is excessively expressed in the rice, hydrogen peroxide content of a plant can be reduced and chlorophyll content can be improved in a normal state or in the presence of salts, so a rice senescence process is delayed. The rice secretary type thioredoxin gene, the coded proteins thereof and the application thereof have important application in aspects of improving the anti-oxidation and anti-aging performance of rice by using molecular breeding.

The present invention provides methods for producing a transgenic soybean plant, soybean plant part, or soybean plant cell having increased resistance to soybean cyst nematode parasitism, comprising introducing into the soybean plant, soybean plant part, or soybean plant cell, a heterologous miR164 nucleotide sequence, wherein the heterologous miR164 nucleotide sequence is expressed in the soybean plant, soybean plant part or soybean plant cell, thereby producing a transgenic soybean plant, soybean plant part, or soybean plant cell having increased resistance to soybean cyst nematode parasitism relative to a control soybean plant, soybean plant part, or soybean plant cell. The invention further provides methods of reducing soybean cyst nematode cyst formation in a soybean plant, soybean plant part, or soybean plant cell as well as compositions including nucleic acid constructs for transforming a plant, plant part or plant cell and transformed plants, plant parts and plant cells.

The invention relates to the field of molecular biology, and in particular to catalpa bungei CabuAP3 protein as well as an encoding gene and application thereof. The amino acid sequence of the catalpa bungei CabuAP3 protein is as shown in SEQ ID No.1; the sequence (CDS) of the encoding gene is as shown in SEQ ID No.2; the whole length of the cDNA sequence of the catalpa bungei CabuAP3 gene is as shown in SEQ ID No.3. The catalpa bungei CabuAP3 gene provided by the invention is only expressed in petals and stamens of catalpa bungei, and is not expressed in leaves, sepal or pistil. A CabuAP3 gene expression vector is transferred into mutants of wild arabidopsis and arabidopsis ap3-3, the result shows that the transgenic wild arabidopsis has one extra petal, which indicates that the CabuAP3 gene has the function of regulating and controlling increase of the number of petals of the transgenic wild arabidopsis, and the transgenic wild arabidopsis ap3-3 mutant has a filament structure. The plant variation material obtained from the catalpa bungei CabuAP3 gene expression vector can be applied to plant breeding and view admire, and has very good application prospect.

The invention discloses a genetic transformation method by the utilization of cotton meristematic tissue in the plant gene engineering field. According to the method, without the step of cotton tissue culturing, activated Agrobacterium containing target gene plasmid vector is directly dipped on a growing point removed cotton plant to induce adventitious bud to grow until the adventitious bud blossoms and grows bolls, and transgenic cells are screened by the use of antibiotics. By the utilization of the method for genetic transformation of cotton, differentiation rate is high, the screening method is simple, the cost for cotton genetic transformation is saved, and the time for cotton genetic transformation is shortened.

The invention discloses a rapid transgenosis method taking citrus seedlings planted in soil as materials. The rapid transgenosis method comprises the following steps: preparation of explants, preparation of agrobacterium infection liquid, wound infection of seedlings and molecular biological identification of buds to be transformed, wherein the preparation of the explants is that the seedlings planted in soil are directly taken as the explants to transform so as to obtain transgenic plants. According to the rapid transgenosis method disclosed by the invention, test-tube stock seedlings are not needed to be prepared, buds to be transformed are not needed to be adapted, and the seedlings planted in soil are directly wounded and transformed to obtain buds; and moreover, planting of seeds in soil in a greenhouse is not affected by the culminate and the weather, and can be performed all the year round. The rapid transgenosis method has the advantages of simple and convenient operation steps, low cost and short time.

The invention discloses a method for culturing dwarfed lawn grass by using a fusion protein. The fusion protein provided by the invention contains trehalose phosphate synthase containing chloroplast transit peptide, wherein the chloroplast transit peptide is positioned at the amino terminal of the fusion protein; the trehalose phosphate synthase is positioned at the carboxyl terminal of the chloroplast transit peptide. The fusion protein also contains trehalose phosphatase, wherein the trehalose phosphatase is positioned at the carboxyl terminal of the trehalose phosphate synthase. The dwarfed lawn grass can be obtained by transferring the coding genes of the fusion protein into a plant. The fusion protein and the coding genes can be used for culturing the new and beautiful dwarfed lawn grass requiring less pruning.

A soybean cultivar designated 75052534 is disclosed. The invention relates to the seeds of soybean cultivar 75052534, to the plants of soybean cultivar 75052534, to the plant parts of soybean cultivar 75052534, and to methods for producing progeny of soybean cultivar 75052534. The invention also relates to methods for producing a soybean plant containing in its genetic material one or more transgenes and to the transgenic soybean plants and plant parts produced by those methods. The invention also relates to soybean cultivars or breeding cultivars, and plant parts derived from soybean cultivar 75052534. The invention also relates to methods for producing other soybean cultivars, lines, or plant parts derived from soybean cultivar 75052534, and to the soybean plants, varieties, and their parts derived from use of those methods. The invention further relates to hybrid soybean seeds, plants, and plant parts produced by crossing cultivar 75052534 with another soybean cultivar.

Formation of nitrogen fixing root nodules in legumes is induced by perception of lipochitin-oligosaccharide signal molecules secreted by compatible Rhizobium bacteria, which triggers a common symbiotic pathway. The present invention provides a spontaneous nodule formation (snf1-5g) mutant, in which the formation of symbiotic nodules is deregulated, leading to nodule development in the absence as well as in the presence of Rhizobium bacteria and/or exogenous rhizobial signals. The invention further provides an isolated DNA sequence encoding a mutant chimeric Ca²⁺/calmodulin dependent protein kinase whose activity results in this `gain of function′ phenotype of spontaneous nodule formation. Furthermore the snf1-5g gene is shown to confer a spontaneous nodule formation phenotype to plants having a nodulation deficient genetic background. A gene of the invention, that confers a spontaneous nodulation phenotype, has utility for the transfer and establishment of nitrogen fixing capability in non-nodulating plants, and thereby reducing the nitrogen fertiliser dependence of non-nodulating crop plants.

The invention discloses an insect-resistant fusion gene mCryAb-VIP3A for coding insecticidal protein and an expression vector and application thereof, and aims at solving the technical problem that the drug resistance trend of insects to an insecticidal preparation cannot be restrained. According to the invention, an insect-resistant gene and the insect-resistant fusion gene mCryAb-VIP3A are designed, the protein encoded by the insect-resistant fusion gene is also provided, and an expression vector constructed by the insect-resistant fusion gene and recombinant bacteria constructed by the expression vector are designed. The insect-resistant fusion gene is applied to preparation of insect-resistant plant cells. The protein encoded by the insect-resistant fusion gene is applied to preparation of an insect-resistant preparation. The insect-resistant fusion gene disclosed by the invention can be stably expressed in corn, so that the biotoxicity generated by singly transferring the originalVIP3A (a) gene into a plant is avoided, the gene silencing phenomenon existing in exogenous gene expression is overcome, more choices are provided for plant pest control, and a new method is providedfor restraining the drug resistance trend of insects to an insecticidal preparation.

The invention discloses application of miRNA 408 in regulating and controlling cadmium accumulation of crops, and belongs to the technical field of biology. The MIR408 precursor gene overexpression vector is constructed, receptor rice is transformed to obtain transgenic rice with the MIR408 function, on one hand, cadmium content accumulation of the rice can be remarkably inhibited, and on the other hand, other agronomic traits are not fundamentally influenced, so that an important genetic material can be provided for cultivating low-cadmium rice, and the application prospect is wide. The miRNA 408 can also be used for genetic transformation of other monocotyledonous crops, and provides reference for other crops planted in cadmium-contaminated soil to reduce heavy metal hazards such as cadmium accumulation.

A soybean cultivar designated 84080909 is disclosed. The invention relates to the seeds of soybean cultivar 84080909, to the plants of soybean cultivar 84080909, to the plant parts of soybean cultivar 84080909, and to methods for producing progeny of soybean cultivar 84080909. The invention also relates to methods for producing a soybean plant containing in its genetic material one or more transgenes and to the transgenic soybean plants and plant parts produced by those methods. The invention also relates to soybean cultivars or breeding cultivars, and plant parts derived from soybean cultivar 84080909. The invention also relates to methods for producing other soybean cultivars, lines, or plant parts derived from soybean cultivar 84080909, and to the soybean plants, varieties, and their parts derived from use of those methods. The invention further relates to hybrid soybean seeds, plants, and plant parts produced by crossing cultivar 84080909 with another soybean cultivar.

Isolated polynucleotides and polypeptides and recombinant DNA constructs useful for conferring drought tolerance, compositions (such as plants or seeds) comprising these recombinant DNA constructs, and methods utilizing these recombinant DNA constructs. The recombinant DNA construct comprises a polynucleotide operably linked to a promoter that is functional in a plant, wherein said polynucleotide encodes an SIPR polypeptide.

The present invention relates to a Lactuca sativa seed designated 79-150 RZ, which exhibits a combination of traits including resistance to downy mildew (Bremia lactucae) races Bl:1-32 and Ca-I to Ca-VIII, resistance to currant-lettuce aphid (Nasonovia ribisnigri), a multi-leaf trait, and dark to very dark green mature leaves. The present invention also relates to a Lactuca sativa plant produced by growing the 79-150 RZ seed. The invention further relates to methods for producing the lettuce cultivar, represented by lettuce variety 79-150 RZ.

According to the invention, there is provided seed and plants of the corn variety designated CV911339. The invention thus relates to the plants, seeds and tissue cultures of the variety CV911339, and to methods for producing a corn plant produced by crossing a corn plant of variety CV911339 with itself or with another corn plant, such as a plant of another variety. The invention further relates to corn seeds and plants produced by crossing plants of variety CV911339 with plants of another variety, such as another inbred line. The invention further relates to the inbred and hybrid genetic complements of plants of variety CV911339.

Process for obtaining genetically modified plants, especially woody plants, especially plants of the genus Eucalyptus and Pinus, comprising transforming target plant material with a desired genetic construct and transforming transformed plant material using an adventitious shoot system The material is recycled. The present method has high transformation efficiencies and significantly reduces the duration of transformation and regeneration protocols. Stem nodes of target plants were transformed by Agrobacterium-mediated technology, and adventitious shoots were regenerated from stem nodes infected with Agrobacterium. There are also preferred culture media, including selection media, and improved plant culture techniques.

The invention discloses a panax notoginseng reverse osmosis protein gene PnOLP1. The gene PnOLP1 has a nucleotide sequence shown as SEQ ID NO:1, and encodes protein having an amino acid sequence shownas SEQ ID NO:2. It is verified by functional genomics related technical research that the gene PnOLP1 has the function of improving the antifungal property of plants; after the antifungal gene PnOLP1is constructed onto a plant expression vector and transferred into nicotiana tabacum for overexpression, the transgenic nicotiana tabacum plant has quite high in-vitro antifungal activity as a result, and the experimental result shows that the transgenic nicotiana tabacum overexpressing PnOLP1 has a significant inhibiting effect on the growth of four fungi including colletotrichum gloeosporioides, fusarium solani, fusarium oxysporum and nigrospora oryzae.