13 results about "Seed specific" patented technology

The invention discloses a plukenetia volubilis FAD2 gene promoter. The nucleotide sequence of the plukenetia volubilis FAD2 gene promoter proPvFAD2.4 is shown in the specification. The proPvFAD2.4 comprises TATA-box and CAAT-box, and the TATA-box and the CAAT-box are located at the upstream of a transcription start site (TSS), so that basic transcription support is provided for positioning of RNA polymerase II, and the basic expression level of the gene is ensured. Comprising seed specific elements of AE-box and O2-site, and specific expression of PvFAD2 in the seed development stage is combined with DOF (OBP2) and MADS-box transcription factors to drive grease to be quickly accumulated. And the recombinant plasmid vector has a strong starting effect, so that the promoter has a function of starting downstream gene expression in a tobacco leaf cell environment, and an experimental foundation is laid for subsequent analysis of a regulation mechanism of the promoter.

The invention provides a peanut seed specific gene promoter Q6RBV6 and application thereof, and relates to the technical field of plant genetic engineering. The promoter Q6RBV6 is selected from SEQ ID NO.01, a sequence which is reversely complementary with the SEQ ID NO.01, SEQ ID NO.02, a DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) sequence which is hybridized with the SEQ ID NO.01 or the SEQ ID NO.02, a sequence which is at least 95% consistent with the sequence of the SEQ ID NO.01 or the SEQ ID NO.02, and a DNA or RNA sequence which is complementary with any one of the SEQ ID NO.01 and the SEQ ID NO.02; the promoter Q6RBV6 can be utilized or operated to drive the expression of the target gene in the tissue cells of the peanut seeds, so that the purpose of expressing the target gene in the specific tissue cells of the peanut seeds is achieved.

The invention relates to a method for improving pigment gland characters and gossypol characters of cotton seeds and application of the method. A cotton seed specific promoter is used for specifically inhibiting expression and / or activity of Gl2 / Gl3 protein in the seed development process, novel cotton with seeds free of pigment glands and normal plant pigment glands can be obtained, the gossypol content of the seeds is zero, and the gossypol content of other tissues is normal.

The utility model discloses a kind of crop seed sorting specific gravity screening devices, it is related to crop seed processing equipment technical field, including screening box, the front side of the outer wall of screening box is fixedly provided with PLC controller, and the upper end of screening box is provided with feed inlet, the inside of screening box is provided with filter structure, the filter structure includes fixedly installed screening filter cylinder in the inside of screening box, four stirring plates are rotationally attached to the inner wall of screening filter cylinder, and the outer wall of four stirring plates is fixedly installed on mounting disc, stirring rod is fixedly installed in the middle of mounting disc, guide plate is fixedly arranged in the bottom of screening box, the front side of guide plate one end is located in screening box and is provided with screening structure, the screening structure includes screening box, the front side of screening box is provided with screening box, can realize the impurity and other pollutants of seed seed adulteration and carry out filtering in carrying out sufficient specific gravity sorting, improve seed specific gravity sorting precision.

The invention relates to a method for improving pigment gland characters and gossypol characters of cotton seeds and application of the method. Aiming at a key gene Gl2 / Gl3 for determining the development of pigment glands in cotton, a cotton seed specific promoter is used for specifically inhibiting the expression quantity of the gene or the activity of an encoded protein of the gene in the seed development process, novel cotton with seeds free of pigment glands and normal plant pigment glands can be obtained, the gossypol content of the seeds is zero, and the cotton seed has a good application prospect. The gossypol content of other tissues is normal.

The invention relates to the technical field of cleaning machines, in particular to a trichosanthes kirilowii seed specific gravity type cleaning machine which comprises a machine body, a feeding port is formed in the top of the machine body, a cleaning frame is fixedly connected to the top of the machine body, a vibration motor is installed on the cleaning frame, and multiple layers of cleaning assemblies are arranged in the cleaning frame. The multi-layer cleaning assembly comprises a multi-layer frame, a top-layer filtering frame, a circulating feeding assembly, a long vibrating screen and a short vibrating screen, the multi-layer frame is fixedly connected with the cleaning frame, and the top-layer filtering frame, the long vibrating screen and the short vibrating screen are all fixedly connected with the multi-layer frame; the circulating feeding assembly moves materials in the lower half area of the vibrating short screen to the upper half area of the vibrating short screen through rotation. The technical problems that the stacking height of materials on a vibrating screen is limited by an existing cleaning machine, the material cleaning speed of the vibrating screen is difficult to increase, when the amount of the materials needing to be cleaned is large, waiting for a long time is needed, and the cleaning speed is difficult to increase when the amount of the materials needing to be cleaned is large are solved.

The invention provides a soybean seed specific promoter Pxbcp3 and application thereof, and belongs to the technical field of gene engineering. The nucleotide sequence of the promoter Pxbcp3 is as shown in SEQ ID NO. 1. The promoter Pxbcp3 has seed tissue specificity, effectively relieves the problem of shortage of soybean endogenous tissue specific promoter resources, and provides a novel regulatory element for analyzing a seed development molecular mechanism and developing molecular breeding of a grease synthesis pathway.

The invention provides a full-automatic beet seed specific gravity concentration device and method, and relates to the technical field of seed selection and screening devices. A plurality of sorting chambers which are distributed at equal intervals are formed in the sorting box, and inclined groove slide ways are formed in the bottoms of the sorting chambers; the sorting disc is movably arranged above the discharging inclined plate, and the specific gravity sorting plate is installed in the sorting disc in an angle-adjustable mode; and the discharging mechanism comprises a discharging hopper, a lifting mechanism and a translation driving base, seeds stored in the sorting chamber slide downwards along an inclined groove slide way under the action of gravity and fall into the discharging hopper again, so that multiple times of sorting operation can be carried out, quantitative seed delivery can be carried out, re-sorting of the sorted seeds is automatically completed, and the sorting efficiency is improved. The whole sorting process does not need excessive manual participation, the sorting quality and efficiency are improved while the manual sorting burden is reduced, and the device is suitable for being widely popularized in the field of seed selection.

The invention provides a soybean seed specific promoter Pz2 and application thereof, and belongs to the technical field of gene engineering. The nucleotide sequence of the promoter Pz2 is as shown in SEQ ID NO. 1. The invention provides a new promoter for the current situation that soybean endogenous specific promoters are deficient, and the promoter has important application value in the aspects of gene function analysis and oil genetic improvement.

The utility model belongs to soybean seed screening technical field, concretely is a kind of soybean seed specific gravity cleaner, including specific gravity machine and guide baffle, the guide baffle is located at the outlet of specific gravity machine, and the guide baffle is symmetrically set, the dust removal net board is equipped in the material guiding groove inner chamber middle part of specific gravity machine, the lower surface of the material guiding groove of specific gravity machine is correspondingly provided with lower air guide cover at dust removal net board position, the lower air guide cover center is connected with the residue storage pipe, the lower air guide cover both sides surface is connected with air inlet, and air inlet surface is equipped with air inlet fan, the upper dust collection cover is equipped above specific gravity machine, the dust storage box is connected with dust storage box in the top of upper dust collection cover by air guide pipe;The utility model blows from the soybean seed downward direction when using, and the dust that falls off rises under the blowing of rising airflow, simultaneously dust extraction pump and upper dust collection cover can be paired to suck away the rising dust, and store in dust storage box to store dust, can reduce the generation of dust when specific gravity cleaning.

A method of modifying fatty acid profiles of canola (Brassica napus) oil are provided. In some embodiments, the method comprises providing a canola plant having a genetic construct in its genome, the genetic construct comprising coding sequences for Umbellularia californica C12:0 specific acyl-ACP thioesterase and Cinnamomum camphora C14:0 specific acyl-ACP thioesterase operatively linked to seed specific promoters. Also provided are genetically modified canola plants, plant cells, and seeds as well as canola oil extracted therefrom. The canola oils have a balanced fatty acid profile that provides health benefits as well as improved oxidative stability over conventional canola oils.

The utility model discloses an intelligent frequency conversion type seed specific gravity cleaning machine which comprises a cleaning body. And the material uniformizing unit is installed on the upper side surface of the cleaning main body and used for feeding materials to the cleaning main body. According to the seed cleaning device, seeds to be cleaned are injected into the pipe body and can move towards the area of the threaded sheet under the guide of the material distributing plate, then the rotating threaded sheet drives the seeds to move in the pipe body, and meanwhile the pipe body filters the seeds, so that the seeds are uniformly dispersed on the surface of the cleaning main body through the filtering holes; the seed cleaning accuracy can be effectively improved, then the filtering holes can be cleaned through the anti-blocking unit, and the situation that normal operation of the device is affected due to the fact that the filtering holes are blocked is avoided.

The utility model discloses a seed specific gravity screening machine which comprises a device box, a side groove is formed in the side wall of the device box in a penetrating mode, a screening box is arranged in the side groove, the screening box is connected with the inner wall of the device box through a sliding device, and a screening groove is formed in the screening box in a penetrating mode. A feeding pipe is arranged at the inner top of the screening groove in a penetrating mode, the upper end of the feeding pipe is slidably connected to the upper end of the device box in a penetrating mode, a screening device is fixedly connected to the inner wall of the screening groove, and a collecting device is arranged on one side of the device box. The seed separating device has the advantages of being convenient for operators to operate and separate seeds with different specific gravities, simple in structure and worthy of popularization.