The present invention relates to methods and compositions for transforming soybean, corn, cotton, or canola explants using spectinomycin as a selective agent for transformation of the explants. The method may further comprise treatment of the explants with cytokinin during the transformation and regeneration process.

Transgenic plants are provided comprising a plurality of transgenes comprised in a single locus. In certain aspects, 7 or more transgenes may be expressed from a first locus. Methods are provided for transformation of plant cells with a plurality of transgenes. Also provided are methods for expressing and enhancing the expression of one or more transgenes in a plant.

The present disclosure provides the identification of genes involved in sucker growth in tobacco. Also provided are promoters that are preferentially active in tobacco axillary buds. Also provided are modified tobacco plants comprising reduced or no sucker growth. Also provided are methods and compositions for producing modified tobacco plants comprising reduced or no sucker growth.

The present invention discloses a protein regulating nitrogen-use efficiency and yield of a plant and the use thereof. The present invention obtains a transgenic OsTCP19 rice and a rice OsTCP19 mutant by means of a transgenic technique and a CRISPR-Cas9 technique, respectively. Experiments have shown that compared with wild-type rice, the transgenic OsTCP19 rice has a reduced tiller number and a decreased nitrogen response ability, whereas compared with the wild-type rice, the rice OsTCP19 mutant has an increased tiller number. This indicates that the OsTCP19 protein has the function of regulating the plant yield and nitrogen-use efficiency, thus laying the foundation for cultivating varieties with a high yield and a high nitrogen-use efficiency.

Provided are compositions comprising polynucleotides encoding BG1 polypeptides. Also provided are recombinant DNA constructs, plants, plant cells, seed, grain comprising the polynucleotides, and plants, plant cells, seed, grain comprising a BG1 polypeptide. Additionally, various methods of employing the polynucleotides and genetic modifications in plants, such as methods for increasing BG1 level in a plant and methods for increasing yield of a plant, nutrient utilization efficiency and/or drought tolerance, are also provided herein.

The present invention relates to transgenic plants, or parts thereof, with modified traits, as well as methods of selecting and using these plants or parts. In particular, the present invention relates to a transgenic plant, or part thereof, comprising a first exogenous polynucleotide which encodes a transcription factor polypeptide that increases the expression of one or more glycolytic and/or fatty acid biosynthetic genes in the plant or part thereof, and a second exogenous polynucleotide which encodes a polypeptide involved in the biosynthesis of one or more non-polar lipids. Furthermore, in addition to an increased triacylglycerol (TAG) content relative to a corresponding wild-type plant or part thereof, the plant or part thereof have a modified phenotype selected from; an increased soluble protein content, an increased nitrogen content, a decreased carbon:nitrogen ratio, increased photosynthetic gene expression, increased photosynthetic capacity, decreased total dietary fibre (TDF) content, increased carbon content and an increased energy content.

The invention discloses proteins and biological materials related to rice (Oryza sativa L.) yield, and use thereof in increasing rice yield. The protein related to rice yield disclosed by the invention is OsDREB1C having SEQ ID NO: 1 in the Sequence Listing as its sequence, and having SEQ ID NO: 2 in the Sequence Listing as its coding gene sequence. Experiments have demonstrated that OsDREB1C and the associated biological materials thereof of the invention can enhance the photosynthetic efficiency of a plant, promote nitrogen uptake and transport and increase the nitrogen content in the plant and in its grains, promote earlier heading, and improve yield. The OsDREB1C and the associated biological materials thereof of the invention are of great biological significance and industrial value, and find bright prospects for application.

Provided are compositions and methods for reducing, disrupting, or altering ZmDA1 activity in corn plants. Methods and compositions are also provided for producing modifications in the ZmDA1 gene through mutagenesis and/or editing. Modified plant cells and plants having a modification in the ZmDA1 gene are further provided comprising improved characteristics, such as increased yield.

This invention relates to compositions and methods for modifying IDEAL PLANT ARCHITECTURE 1 (IPA1) genes, or orthologues thereof, encoding SQUAMOSA PROMOTER BINDING PROTEIN-LIKE (SPL) transcription factors in plants. The invention further relates to plants and/or parts thereof comprising one or more mutations in endogenous IPA1 genes, or orthologues thereof, produced using the methods and compositions of the invention.

The present invention relates to methods and means for producing nitrogenase polypeptides in the mitochondria of plant cells. The present disclosure provides plant cells that express one or more MTP-Nif fusions and/or translational NifD-NifK and NifE-NifN fusions. The present disclosure also provides nucleic acid constructs encoding these fusions as well as expression constructs for expression and targeting of the fusions to the mitochondria of plant cells. The present disclosure also provides transgenic plants comprising the plant cells of the invention and products obtained therefrom.