Seed Endophytes Across Cultivars and Species, Associated Compositions, and Methods of Use Thereof

Abstract

Materials and methods for improving plant traits and for providing plant fitness benefits are provided. In some embodiments, the materials, and methods employing the same, can comprise endophytes.

1 . (canceled) 
     
     
         2 . (canceled) 
     
     
         3 . A method for preparing a seed comprising an endophyte population, said method comprising applying to an exterior surface of a seed a formulation comprising an endophyte population consisting essentially of an endophyte comprising a 16S rRNA or ITS rRNA nucleic acid sequence at least 95% identical to a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1-455. 
     
     
         4 .- 7 . (canceled) 
     
     
         8 . The method of  claim 3 , wherein the endophyte is capable of a function or activity selected from the group consisting of auxin production, nitrogen fixation, production of an antimicrobial compound, mineral phosphate solubilization, siderophore production, cellulase production, chitinase production, xylanase production, and acetoin production. 
     
     
         9 . The method of  claim 8 , wherein the endophyte exhibits at least two of: auxin production, nitrogen fixation, production of an antimicrobial compound, mineral phosphate solubilization, siderophore production, cellulase production, chitinase production, xylanase production, and acetoin production. 
     
     
         10 . The method of  claim 3 , wherein the endophyte is capable of metabolizing at least one substrate selected from the group consisting of: a-D-glucose, arabinose, arbutin, b-methyl-D-galactoside, b-methyl-D-glucoside, D-alanine, D-arabitol, D-aspartic acid, D-cellobiose, dextrin, D-fructose, D-galactose, D-gluconic acid, D-glucosamine, dihydroxyacetone, DL-malic acid, D-mannitol, D-mannose, D-melezitose, D-melibiose, D-raffinose, D-ribose, D-serine, D-threonine, D-trehalose, D-xylose, g-amino-N-butyric acid, g-cyclodextrin, gelatin, gentiobiose, glycogen, glycyl-L-aspartic acid, glycyl-L-glutamic acid, glycyl-L-proline, glyoxylic acid, i-erythritol, inosine, L-alanine, L-alanyl-glycine, L-arabinose, L-asparagine, L-aspartic acid, L-galactonic acid-g-lactone, L-glutamic acid, L-glutamine, L-histidine, L-proline, L-rhamnose, L-serine, L-threonine, maltitol, maltose, maltotriose, mannose, N-acetyl-D-glucosamine, oxalic acid, palatinose, pectin, proline, salicin, stachyose, sucrose, trehalose, turanose, tyramine, uridine, and xylose. 
     
     
         11 . The method of  claim 3 , wherein the endophyte is capable of metabolizing at least two substrates selected from the group consisting of: a-D-glucose, arabinose, arbutin, b-methyl-D-galactoside, b-methyl-D-glucoside, D-alanine, D-arabitol, D-aspartic acid, D-cellobiose, dextrin, D-fructose, D-galactose, D-gluconic acid, D-glucosamine, dihydroxyacetone, DL-malic acid, D-mannitol, D-mannose, D-melezitose, D-melibiose, D-raffinose, D-ribose, D-serine, D-threonine, D-trehalose, D-xylose, g-amino-N-butyric acid, g-cyclodextrin, gelatin, gentiobiose, glycogen, glycyl-L-aspartic acid, glycyl-L-glutamic acid, glycyl-L-proline, glyoxylic acid, i-erythritol, inosine, L-alanine, L-alanyl-glycine, L-arabinose, L-asparagine, L-aspartic acid, L-galactonic acid-g-lactone, L-glutamic acid, L-glutamine, L-histidine, L-proline, L-rhamnose, L-serine, L-threonine, maltitol, maltose, maltotriose, mannose, N-acetyl-D-glucosamine, oxalic acid, palatinose, pectin, proline, salicin, stachyose, sucrose, trehalose, turanose, tyramine, uridine, and xylose. 
     
     
         12 . The method of  claim 3 , wherein the endophyte is present at a concentration of at least 10 2  CFU or spores per seed on the surface of seeds after contacting. 
     
     
         13 . The method of  claim 3 , wherein the applying or contacting comprises spraying, immersing, coating, encapsulating, or dusting the seeds or seedlings with the formulation. 
     
     
         14 . The method of  claim 3 , wherein the benefit or agricultural trait is selected from the group consisting of: increased root biomass, increased root length, increased height, increased shoot length, increased leaf number, increased water use efficiency, increased tolerance to low nitrogen stress, increased nitrogen use efficiency, increased overall biomass, increased grain yield, increased photosynthesis rate, increased tolerance to drought, increased heat tolerance, increased salt tolerance, increased resistance to nematode stress, increased resistance to a fungal pathogen, increased resistance to a bacterial pathogen, increased resistance to a viral pathogen, a detectable modulation in the level of a metabolite, a detectable modulation in the transcriptome, and a detectable modulation in the proteome, relative to reference seeds or agricultural plants derived from reference seeds. 
     
     
         15 . (canceled) 
     
     
         16 . (canceled) 
     
     
         17 . The method of  claim 3 , wherein the formulation comprises at least one member selected from the group consisting of an agriculturally compatible carrier, a tackifier, a microbial stabilizer, a fungicide, an antibacterial agent, an herbicide, a nematicide, an insecticide, a plant growth regulator, a rodenticide, and a nutrient. 
     
     
         18 .- 86 . (canceled) 
     
     
         87 . An agricultural formulation comprising an endophyte comprising a nucleic acid sequence that is at least 97% identical, at least 98% identical, at least 99% identical, at least 99.5% identical, or 100% identical, to a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1-455 that is present in an amount effective to colonize a mature agricultural plant, wherein the formulation further comprises at least one member selected from the group consisting of an agriculturally compatible carrier, a tackifier, a microbial stabilizer, a fungicide, an antibacterial agent, an herbicide, a nematicide, an insecticide, a plant growth regulator, a rodenticide, and a nutrient. 
     
     
         88 . The formulation of  claim 87 , wherein the agricultural plant is a monocot. 
     
     
         89 . The formulation of  claim 88 , wherein the agricultural plant is selected from the group consisting of maize, barley, rice and wheat. 
     
     
         90 . The formulation of  claim 87 , wherein the agricultural plant is a dicot. 
     
     
         91 . The formulation of  claim 90 , wherein the agricultural plant is selected from the group consisting of soybean, canola, cotton,  Brassica Napus , tomato, squash, cucumber, pepper, peanut, sunflower, and sugar beet. 
     
     
         92 . The formulation of  claim 87 , wherein the population consists essentially of an endophyte comprising a nucleic acid sequence that is at least 99% identical to a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1-455. 
     
     
         93 . The formulation of  claim 87 , wherein the population consists essentially of an endophyte comprising a nucleic acid sequence that is at least 99.5% identical to a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1-455. 
     
     
         94 . The formulation of  claim 87 , comprising at least two different endophytes each comprise a nucleic acid sequence that is at least 97% identical, at least 98% identical, at least 99% identical, at least 99.5% identical, or 100% identical, to a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1-455. 
     
     
         95 .- 107 . (canceled) 
     
     
         108 . A synthetic combination comprising at least two endophytes associated with a seed, wherein at least the first endophyte is heterologous to the seed and wherein the first endophyte comprises a 16S rRNA or ITS rRNA nucleic acid sequence at least 97% identical to a nucleic acid sequence selected from the group consisting of SEQ ID NOs: 1-455, wherein the endophytes are present in the formulation in an amount effective to provide a benefit to the seeds or seedlings or the plants derived from the seeds or seedlings. 
     
     
         109 . The synthetic combination of  claim 108 , wherein the first endophyte is capable of metabolizing at least one substrate selected from the group of: a-D-glucose, arabinose, arbutin, b-methyl-D-galactoside, b-methyl-D-glucoside, D-alanine, D-arabitol, D-aspartic acid, D-cellobiose, dextrin, D-fructose, D-galactose, D-gluconic acid, D-glucosamine, dihydroxyacetone, DL-malic acid, D-mannitol, D-mannose, D-melezitose, D-melibiose, D-raffinose, D-ribose, D-serine, D-threonine, D-trehalose, D-xylose, g-amino-N-butyric acid, g-cyclodextrin, gelatin, gentiobiose, glycogen, glycyl-L-aspartic acid, glycyl-L-glutamic acid, glycyl-L-proline, glyoxylic acid, i-erythritol, inosine, L-alanine, L-alanyl-glycine, L-arabinose, L-asparagine, L-aspartic acid, L-galactonic acid-g-lactone, L-glutamic acid, L-glutamine, L-histidine, L-proline, L-rhamnose, L-serine, L-threonine, maltitol, maltose, maltotriose, mannose, N-acetyl-D-glucosamine, oxalic acid, palatinose, pectin, proline, salicin, stachyose, sucrose, trehalose, turanose, tyramine, uridine, and xylose. 
     
     
         110 .- 228 . (canceled)