Methods of use of seed-origin endophyte populations
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C12N-015/82
A01N-063/00
A01N-063/02
A01C-001/06
G01N-033/50
A01C-001/00
출원번호
US-0436592
(2017-02-17)
등록번호
US-10058101
(2018-08-28)
발명자
/ 주소
von Maltzahn, Geoffrey
Flavell, Richard Bailey
Toledo, Gerardo V.
Djonovic, Slavica
Marquez, Luis Miguel
Johnston, David Morris
Millet, Yves Alain
Lyford, Jeffrey
Naydich, Alexander
Sadowski, Craig
출원인 / 주소
Indigo Agriculture, Inc.
대리인 / 주소
Fenwick & West LLP
인용정보
피인용 횟수 :
0인용 특허 :
43
초록▼
This application relates to methods and materials for providing a benefit to a seed or seedling of an agricultural plant (e.g., an agricultural grass plant), or the agricultural plant derived from the seed or seedling. For example, this application provides purified bacterial populations that includ
This application relates to methods and materials for providing a benefit to a seed or seedling of an agricultural plant (e.g., an agricultural grass plant), or the agricultural plant derived from the seed or seedling. For example, this application provides purified bacterial populations that include novel seed-origin bacterial endophytes, and synthetic combinations of seeds and/or seedlings (e.g., cereal seeds and/or seedlings) with heterologous seed-derived bacterial endophytes.
대표청구항▼
1. A method of treating seeds of a cereal agricultural plant, comprising mechanically or manually inoculating a plurality of cereal agricultural plant seeds with an agricultural formulation comprising an agriculturally acceptable carrier and a purified bacterial population that comprises a seed bact
1. A method of treating seeds of a cereal agricultural plant, comprising mechanically or manually inoculating a plurality of cereal agricultural plant seeds with an agricultural formulation comprising an agriculturally acceptable carrier and a purified bacterial population that comprises a seed bacterial endophyte of the genus Enterobacter that is heterologous to the seed, and has a 16S nucleic acid sequence that is at least 99% identical to a 16S nucleic acid sequence selected from the group consisting of SEQ ID NO: 541, 595, 540, and 550, wherein the endophyte is heterologously disposed to the seed in an amount effective to colonize a plant germinated from the inoculated seed and to increase tolerance to drought of the inoculated seed as compared to a reference seed sowed under the same conditions, wherein the plant germinated from the inoculated seed has increased growth as compared to a plant germinated from the reference seed. 2. The method of claim 1, wherein the bacterial endophyte is obtainable from an interior seed compartment. 3. The method of claim 1, wherein the bacterial endophyte is obtainable from an exterior surface of a seed. 4. The method of claim 1, wherein the bacterial endophyte is obtainable from a different cultivar, variety or crop as compared to the seed. 5. The method of claim 1, wherein the bacterial endophyte colonizes the roots of a seedling germinated from the inoculated seed. 6. The method of claim 1, wherein the bacterial population includes two or more bacterial endophytes. 7. The method of claim 1, wherein the bacterial endophyte is obtained from rice seed, maize seed, wheat seed, or barley seed. 8. The method of claim 1, wherein the agricultural formulation further comprises a purified fungal population. 9. The method of claim 1, wherein the increased tolerance to drought occurs under conditions of biotic stress. 10. The method of claim 9, wherein the biotic stress is selected from the group consisting of nematode stress, insect herbivory stress, fungal pathogen stress, bacterial pathogen stress, and viral pathogen stress. 11. The method of claim 1, wherein the plant germinated from the inoculated seed has a larger amount of lateral roots and root-hairs as compared to the plant germinated from the reference seed. 12. The method of claim 1, wherein the plant germinated from the inoculated seed has increased shoot length as compared to the plant germinated from the reference seed. 13. The method of claim 1, wherein the plant germinated from the inoculated seed has increased seedling weight as compared to the plant germinated from the reference seed. 14. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to SEQ ID NO: 541. 15. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to SEQ ID NO: 595. 16. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to SEQ ID NO: 540. 17. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to SEQ ID NO: 550. 18. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to a 16S nucleic acid sequence of SEQ ID NO: 540, wherein the plant germinated from the synthetic combination has increased shoot length as compared to the plant germinated from the reference seed. 19. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to a 16S nucleic acid sequence of SEQ ID NO: 550, wherein the plant germinated from the synthetic combination has increased shoot length as compared to the plant germinated from the reference seed. 20. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to a 16S nucleic acid sequence of SEQ ID NO: 541, wherein the plant germinated from the synthetic combination has increased shoot length as compared to the plant germinated from the reference seed. 21. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to a 16S nucleic acid sequence of SEQ ID NO: 540, wherein the plant germinated from the synthetic combination has increased seedling weight as compared to the plant germinated from the reference seed. 22. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to a 16S nucleic acid sequence of SEQ ID NO: 550, wherein the plant germinated from the synthetic combination has increased seedling weight as compared to the plant germinated from the reference seed. 23. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is 100% identical to a 16S nucleic acid sequence of SEQ ID NO: 541, wherein the plant germinated from the synthetic combination has increased seedling weight as compared to the plant germinated from the reference seed. 24. The method of claim 1, wherein the effective amount is at least 103 CFU/seed on the surface of the seed. 25. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is at least 99% identical to SEQ ID NO: 541. 26. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is at least 99% identical to SEQ ID NO: 595. 27. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is at least 99% identical to SEQ ID NO: 540. 28. The method of claim 1, wherein the seed bacterial endophyte of the genus Enterobacter has a 16S nucleic acid sequence that is at least 99% identical to SEQ ID NO: 550. 29. The synthetic combination of claim 1, wherein the cereal agricultural plant is selected from the group consisting of: maize, rice, barley, or wheat. 30. The synthetic combination of claim 1, wherein the cereal agricultural plant is maize. 31. The synthetic combination of claim 1, wherein the cereal agricultural plant is rice. 32. The synthetic combination of claim 1, wherein the cereal agricultural plant is barley. 33. The synthetic combination of claim 1, wherein the cereal agricultural plant is wheat.
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von Maltzahn, Geoffrey; Flavell, Richard Bailey; Toledo, Gerardo V.; Djonovic, Slavica; Marquez, Luis Miguel; Johnston, David Morris; Millet, Yves Alain; Lyford, Jeffrey; Naydich, Alexander; Sadowski, Craig, Methods of use of seed-origin endophyte populations.
von Maltzahn, Geoffrey; Flavell, Richard Bailey; Toledo, Gerardo V.; Djonovic, Slavica; Marquez, Luis Miguel; Johnston, David Morris; Millet, Yves Alain; Lyford, Jeffrey; Naydich, Alexander; Sadowski, Craig, Methods of use of seed-origin endophyte populations.
von Maltzahn, Geoffrey; Flavell, Richard Bailey; Toledo, Gerardo V.; Djonovic, Slavica; Marquez, Luis Miguel; Johnston, David Morris; Millet, Yves Alain; Lyford, Jeffrey; Naydich, Alexander; Sadowski, Craig, Methods of use of seed-origin endophyte populations.
von Maltzahn, Geoffrey; Sadowski, Craig; Flavell, Richard Bailey; Toledo, Gerardo V.; Djonovic, Slavica; Marquez, Luis Miguel; Johnston, David Morris; Millet, Yves Alain; Lyford, Jeffrey; Naydich, Alexander, Methods of use of seed-origin endophyte populations.
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