Isolated complex endophyte compositions and methods for improved plant traits
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A01N-063/00
A01N-063/04
A01G-022/00
출원번호
US-0143398
(2016-04-29)
등록번호
US-10212940
(2019-02-26)
발명자
/ 주소
Ambrose, Karen V.
Boghigian, Brett A.
Djonovic, Slavica
Gray, Paul Andrew
Toledo, Gerardo V.
Marquez, Luis Miguel
von Maltzahn, Geoffrey
출원인 / 주소
Indigo Agriculture, Inc.
대리인 / 주소
Fenwick & West LLP
인용정보
피인용 횟수 :
0인용 특허 :
44
초록▼
This invention relates to methods and materials for providing a benefit to a plant by associating the plant with a complex endophyte comprising a host fungus further comprising a component bacterium, including benefits to a plant derived from a seed or other plant element treated with a complex endo
This invention relates to methods and materials for providing a benefit to a plant by associating the plant with a complex endophyte comprising a host fungus further comprising a component bacterium, including benefits to a plant derived from a seed or other plant element treated with a complex endophyte. For example, this invention provides purified complex endophytes, purified complex endophyte components such as bacteria or fungi, synthetic combinations comprising said complex endophytes and/or components, and methods of making and using the same.
대표청구항▼
1. A synthetic composition, comprising an agricultural plant element heterologously associated with an isolated complex endophyte, wherein said isolated complex endophyte comprises a host fungus comprising an endogenous endofungal bacterial endophyte living inside the host fungal hyphae, wherein the
1. A synthetic composition, comprising an agricultural plant element heterologously associated with an isolated complex endophyte, wherein said isolated complex endophyte comprises a host fungus comprising an endogenous endofungal bacterial endophyte living inside the host fungal hyphae, wherein the host fungus is of the genus Botryosphaeria and the bacterial endophyte is of the genus Dyella, and the complex endophyte is capable of providing a trait of agronomic importance to said agricultural plant element. 2. The synthetic composition of claim 1, wherein said trait of agronomic importance is selected from the group consisting of: germination rate, emergence rate, shoot biomass, root biomass, seedling root length, seedling shoot length, seedling mass, root surface area, and yield. 3. The synthetic composition of claim 1, wherein said synthetic composition further comprises an agronomic formulation that further comprises one or more of the following: a stabilizer, preservative, carrier, surfactant, anticomplex agent, fungicide, nematicide, bactericide, insecticide, or herbicide, or any combination thereof. 4. The synthetic composition of claim 1, wherein said isolated complex endophyte is present in an amount of at least 10^2 CFU of complex endophyte per plant element. 5. A plurality of the synthetic compositions of claim 1, placed in a medium that promotes plant growth, wherein said medium is soil, wherein said synthetic compositions are placed in the soil with substantially equal spacing between each seed. 6. A plant grown from the synthetic combination of claim 1, wherein said plant exhibits an improved phenotype of agronomic interest. 7. A method of improving a trait of agronomic importance in an agricultural plant, comprising: (a) contacting a reproductive element of the agricultural plant with the isolated heterologous complex endophyte of claim 1; and(b) growing the reproductive element comprising complex endophyte into the agricultural plant, wherein the agricultural plant has an improved trait of agronomic importance as compared to an isoline plant grown from a plant reproductive element not contacted with said isolated complex endophyte. 8. The method of claim 7, wherein said trait of agronomic importance is selected from the group consisting of: germination rate, emergence rate, shoot biomass, seedling root length, seedling shoot length, seedling mass, root surface area, and yield. 9. The method of claim 7, wherein the trait of agronomic importance is improved under normal watering conditions. 10. The method of claim 7, wherein the trait of agronomic importance is improved under conditions of water limitation. 11. The method of claim 7, wherein said plant element is selected from the group consisting of: whole plant, seedling, meristematic tissue, ground tissue, vascular tissue, dermal tissue, seed, leaf, root, shoot, stem, flower, fruit, stolon, bulb, tuber, corm, keikis, and bud. 12. The method of claim 7, wherein said plant element is from a plant selected from the group consisting of: wheat, soybean, maize, cotton, canola, barley, sorghum, millet, rice, rapeseed, alfalfa, tomato, sugarbeet, sorghum, almond, walnut, apple, peanut, strawberry, lettuce, orange, potato, banana, sugarcane, potato, cassava, mango, guava, palm, onions, olives, peppers, tea, yams, cacao, sunflower, asparagus, carrot, coconut, lemon, lime, barley, watermelon, cabbage, cucumber, grape, and turfgrass. 13. A method for preparing the synthetic composition of claim 1, comprising: (a) contacting a surface of a plurality of plant elements with an effective amount of a formulation comprising the isolated complex endophyte of claim 1 that is heterologous to the agricultural plant elements; and(b) growing the plant elements contacted with the effective amount of the isolated complex endophyte to yield plant elements colonized by the complex endophyte, wherein the isolated complex endophyte is capable of modulating at least one of: a trait of agronomic importance, the transcription of a gene, the expression of a protein, the level of a hormone, the level of a metabolite, and the population of endogenous microbes in plants grown from said agricultural plant elements, as compared to isoline plants not associated with, or not grown from plant elements associated with said formulation. 14. The synthetic composition of claim 1, wherein the host fungus comprises an internal transcribed spacer (ITS) nucleic acid sequence at least 95% identical to SEQ ID NO: 325. 15. The synthetic composition of claim 1, wherein the host fungus comprises an internal transcribed spacer (ITS) nucleic acid sequence at least 97% identical to SEQ ID NO: 325. 16. The synthetic composition of claim 1, wherein the host fungus comprises an internal transcribed spacer (ITS) nucleic acid sequence comprising SEQ ID NO: 325. 17. The synthetic composition of claim 1, wherein the endogenous endofungal bacterial endophyte comprises a 16S nucleic acid sequence at least 95% identical to SEQ ID NO: 237. 18. The synthetic composition of claim 1, wherein the endogenous endofungal bacterial endophyte comprises a 16S nucleic acid sequence at least 97% identical to SEQ ID NO: 237. 19. The synthetic composition of claim 1, wherein the endogenous endofungal bacterial endophyte comprises a 16S nucleic acid sequence comprising SEQ ID NO: 237. 20. The synthetic composition of claim 1, wherein the heterologous plant is wheat, the host fungus is of the genus Botryosphaeria and comprises an internal transcribed spacer (ITS) nucleic acid sequence comprising SEQ ID NO: 325 and the endogenous endofungal bacterial endophyte is of the genus Dyella and comprises a 16S nucleic acid sequence comprising SEQ ID NO: 237. 21. The synthetic composition of claim 1, wherein the heterologous plant is soybean, the host fungus is of the genus Botryosphaeria and comprises an internal transcribed spacer (ITS) nucleic acid sequence comprising SEQ ID NO: 325 and the endogenous endofungal bacterial endophyte is of the genus Dyella and comprises a 16S nucleic acid sequence comprising SEQ ID NO: 237.
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