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Revillini D, David AS, Reyes AL, Knecht LD, Vigo C, Allen P, Searcy CA, Afkhami ME. Allelopathy-selected microbiomes mitigate chemical inhibition of plant performance. THE NEW PHYTOLOGIST 2023; 240:2007-2019. [PMID: 37737029 DOI: 10.1111/nph.19249] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Accepted: 08/01/2023] [Indexed: 09/23/2023]
Abstract
Allelopathy is a common and important stressor that shapes plant communities and can alter soil microbiomes, yet little is known about the direct effects of allelochemical addition on bacterial and fungal communities or the potential for allelochemical-selected microbiomes to mediate plant performance responses, especially in habitats naturally structured by allelopathy. Here, we present the first community-wide investigation of microbial mediation of allelochemical effects on plant performance by testing how allelopathy affects soil microbiome structure and how these microbial changes impact germination and productivity across 13 plant species. The soil microbiome exhibited significant changes to 'core' bacterial and fungal taxa, bacterial composition, abundance of functionally important bacterial and fungal taxa, and predicted bacterial functional genes after the addition of the dominant allelochemical native to this habitat. Furthermore, plant performance was mediated by the allelochemical-selected microbiome, with allelopathic inhibition of plant productivity moderately mitigated by the microbiome. Through our findings, we present a potential framework to understand the strength of plant-microbial interactions in the presence of environmental stressors, in which frequency of the ecological stress may be a key predictor of microbiome-mediation strength.
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Affiliation(s)
- Daniel Revillini
- Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA
| | - Aaron S David
- Archbold Biological Station, 123 Main Drive, Venus, Florida, 33960, USA
| | - Alma L Reyes
- Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA
| | - Leslie D Knecht
- Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA
| | - Carolina Vigo
- Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA
| | - Preston Allen
- Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA
| | - Christopher A Searcy
- Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA
| | - Michelle E Afkhami
- Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, Florida, 33146, USA
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2
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Revillini D, David AS, Menges ES, Main KN, Afkhami ME, Searcy CA. Microbiome-mediated response to pulse fire disturbance outweighs the effects of fire legacy on plant performance. THE NEW PHYTOLOGIST 2022; 233:2071-2082. [PMID: 34432894 DOI: 10.1111/nph.17689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 07/31/2021] [Indexed: 06/13/2023]
Abstract
Fire plays a major role in structuring plant communities across the globe. Interactions with soil microbes impact plant fitness, scaling up to influence plant populations and distributions. Here we present the first factorial manipulation of both fire and soil microbiome presence to investigate their interactive effects on plant performance across a suite of plant species with varying life history traits. We conducted fully factorial experiments on 11 species from the Florida scrub ecosystem to test plant performance responses to soils with varying fire histories (36 soil sources), the presence/absence of a microbiome, and exposure to an experimental burn. Results revealed interactive 'pulse' effects between fire and the soil microbiome on plant performance. On average, post-fire soil microbiomes strongly reduced plant productivity compared to unburned or sterilized soils. Interestingly, longer-term fire 'legacy' effects had minor impacts on plant performance and were unrelated to soil microbiomes. While pulse fire effects on plant-microbiome interactions are short-term, they could have long-term consequences for plant communities by establishing differential microbiome-mediated priority effects during post-disturbance succession. The prominence of pulse fire effects on plant-microbe interactions has even greater import due to expected increases in fire disturbances resulting from anthropogenic climate change.
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Affiliation(s)
- Daniel Revillini
- Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, FL, 33146, USA
| | - Aaron S David
- Archbold Biological Station, 123 Main Drive, Venus, FL, 33960, USA
| | - Eric S Menges
- Archbold Biological Station, 123 Main Drive, Venus, FL, 33960, USA
| | - Kevin N Main
- Archbold Biological Station, 123 Main Drive, Venus, FL, 33960, USA
| | - Michelle E Afkhami
- Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, FL, 33146, USA
| | - Christopher A Searcy
- Department of Biology, University of Miami, 1301 Memorial Drive, Coral Gables, FL, 33146, USA
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3
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Julius BT, McCubbin TJ, Mertz RA, Baert N, Knoblauch J, Grant DG, Conner K, Bihmidine S, Chomet P, Wagner R, Woessner J, Grote K, Peevers J, Slewinski TL, McCann MC, Carpita NC, Knoblauch M, Braun DM. Maize Brittle Stalk2-Like3, encoding a COBRA protein, functions in cell wall formation and carbohydrate partitioning. THE PLANT CELL 2021; 33:3348-3366. [PMID: 34323976 PMCID: PMC8505866 DOI: 10.1093/plcell/koab193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 07/16/2021] [Indexed: 05/14/2023]
Abstract
Carbohydrate partitioning from leaves to sink tissues is essential for plant growth and development. The maize (Zea mays) recessive carbohydrate partitioning defective28 (cpd28) and cpd47 mutants exhibit leaf chlorosis and accumulation of starch and soluble sugars. Transport studies with 14C-sucrose (Suc) found drastically decreased export from mature leaves in cpd28 and cpd47 mutants relative to wild-type siblings. Consistent with decreased Suc export, cpd28 mutants exhibited decreased phloem pressure in mature leaves, and altered phloem cell wall ultrastructure in immature and mature leaves. We identified the causative mutations in the Brittle Stalk2-Like3 (Bk2L3) gene, a member of the COBRA family, which is involved in cell wall development across angiosperms. None of the previously characterized COBRA genes are reported to affect carbohydrate export. Consistent with other characterized COBRA members, the BK2L3 protein localized to the plasma membrane, and the mutants condition a dwarf phenotype in dark-grown shoots and primary roots, as well as the loss of anisotropic cell elongation in the root elongation zone. Likewise, both mutants exhibit a significant cellulose deficiency in mature leaves. Therefore, Bk2L3 functions in tissue growth and cell wall development, and this work elucidates a unique connection between cellulose deposition in the phloem and whole-plant carbohydrate partitioning.
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Affiliation(s)
- Benjamin T Julius
- Divisions of Plant Science and Technology, Biological Sciences, Interdisciplinary Plant Group, and the Missouri Maize Center, University of Missouri, Columbia, Missouri 65211, USA
- Bayer Crop Science, Chesterfield, Missouri 63017, USA
| | - Tyler J McCubbin
- Divisions of Plant Science and Technology, Biological Sciences, Interdisciplinary Plant Group, and the Missouri Maize Center, University of Missouri, Columbia, Missouri 65211, USA
| | - Rachel A Mertz
- Divisions of Plant Science and Technology, Biological Sciences, Interdisciplinary Plant Group, and the Missouri Maize Center, University of Missouri, Columbia, Missouri 65211, USA
- Present address: Inari Agriculture, West Lafayette, Indiana 47906, USA
| | - Nick Baert
- Divisions of Plant Science and Technology, Biological Sciences, Interdisciplinary Plant Group, and the Missouri Maize Center, University of Missouri, Columbia, Missouri 65211, USA
| | - Jan Knoblauch
- School of Biological Sciences, Washington State University, Pullman, Washington 99164, USA
| | - DeAna G Grant
- Electron Microscopy Core Facility, University of Missouri, Columbia, Missouri 65211, USA
| | - Kyle Conner
- Divisions of Plant Science and Technology, Biological Sciences, Interdisciplinary Plant Group, and the Missouri Maize Center, University of Missouri, Columbia, Missouri 65211, USA
| | - Saadia Bihmidine
- Divisions of Plant Science and Technology, Biological Sciences, Interdisciplinary Plant Group, and the Missouri Maize Center, University of Missouri, Columbia, Missouri 65211, USA
| | - Paul Chomet
- NRGene Inc., 8910 University Center Lane, San Diego, California 92122, USA
| | - Ruth Wagner
- Bayer Crop Science, Chesterfield, Missouri 63017, USA
| | - Jeff Woessner
- Bayer Crop Science, Chesterfield, Missouri 63017, USA
| | - Karen Grote
- Bayer Crop Science, Chesterfield, Missouri 63017, USA
| | | | | | - Maureen C McCann
- Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47907, USA
- Purdue Center for Plant Biology, Purdue University, West Lafayette, Indiana 47907, USA
| | - Nicholas C Carpita
- Department of Biological Sciences, Purdue University, West Lafayette, Indiana 47907, USA
- Purdue Center for Plant Biology, Purdue University, West Lafayette, Indiana 47907, USA
- Department of Botany and Plant Pathology, Purdue University, West Lafayette, Indiana 47907, USA
| | - Michael Knoblauch
- School of Biological Sciences, Washington State University, Pullman, Washington 99164, USA
| | - David M Braun
- Divisions of Plant Science and Technology, Biological Sciences, Interdisciplinary Plant Group, and the Missouri Maize Center, University of Missouri, Columbia, Missouri 65211, USA
- Author for correspondence:
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Impa SM, Raju B, Hein NT, Sandhu J, Prasad PVV, Walia H, Jagadish SVK. High night temperature effects on wheat and rice: Current status and way forward. PLANT, CELL & ENVIRONMENT 2021; 44:2049-2065. [PMID: 33576033 DOI: 10.1111/pce.14028] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 01/31/2021] [Indexed: 05/25/2023]
Abstract
Rapid increases in minimum night temperature than in maximum day temperature is predicted to continue, posing significant challenges to crop productivity. Rice and wheat are two major staples that are sensitive to high night-temperature (HNT) stress. This review aims to (i) systematically compare the grain yield responses of rice and wheat exposed to HNT stress across scales, and (ii) understand the physiological and biochemical responses that affect grain yield and quality. To achieve this, we combined a synthesis of current literature on HNT effects on rice and wheat with information from a series of independent experiments we conducted across scales, using a common set of genetic materials to avoid confounding our findings with differences in genetic background. In addition, we explored HNT-induced alterations in physiological mechanisms including carbon balance, source-sink metabolite changes and reactive oxygen species. Impacts of HNT on grain developmental dynamics focused on grain-filling duration, post-flowering senescence, changes in grain starch and protein composition, starch metabolism enzymes and chalk formation in rice grains are summarized. Finally, we highlight the need for high-throughput field-based phenotyping facilities for improved assessment of large-diversity panels and mapping populations to aid breeding for increased resilience to HNT in crops.
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Affiliation(s)
- Somayanda M Impa
- Department of Agronomy, Kansas State University, Manhattan, Kansas, USA
| | | | - Nathan T Hein
- Department of Agronomy, Kansas State University, Manhattan, Kansas, USA
| | - Jaspreet Sandhu
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - P V Vara Prasad
- Department of Agronomy, Kansas State University, Manhattan, Kansas, USA
| | - Harkamal Walia
- Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, Nebraska, USA
| | - S V Krishna Jagadish
- Department of Agronomy, Kansas State University, Manhattan, Kansas, USA
- Sustainable Impact Platform, International Rice Research Institute (IRRI), Metro Manila, Philippines
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McCaw ME, Lee K, Kang M, Zobrist JD, Azanu MK, Birchler JA, Wang K. Development of a Transformable Fast-Flowering Mini-Maize as a Tool for Maize Gene Editing. Front Genome Ed 2021; 2:622227. [PMID: 34713243 PMCID: PMC8525386 DOI: 10.3389/fgeed.2020.622227] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 11/26/2020] [Indexed: 11/13/2022] Open
Abstract
Maize (Zea mays ssp. mays) is a popular genetic model due to its ease of crossing, well-established toolkits, and its status as a major global food crop. Recent technology developments for precise manipulation of the genome are further impacting both basic biological research and biotechnological application in agriculture. Crop gene editing often requires a process of genetic transformation in which the editing reagents are introduced into plant cells. In maize, this procedure is well-established for a limited number of public lines that are amenable for genetic transformation. Fast-Flowering Mini-Maize (FFMM) lines A and B were recently developed as an open-source tool for maize research by reducing the space requirements and the generation time. Neither line of FFMM were competent for genetic transformation using traditional protocols, a necessity to its status as a complete toolkit for public maize genetic research. Here we report the development of new lines of FFMM that have been bred for amenability to genetic transformation. By hybridizing a transformable maize genotype high Type-II callus parent A (Hi-II A) with line A of FFMM, we introgressed the ability to form embryogenic callus from Hi-II A into the FFMM-A genetic background. Through multiple generations of iterative self-hybridization or doubled-haploid method, we established maize lines that have a strong ability to produce embryogenic callus from immature embryos and maintain resemblance to FFMM-A in flowering time and stature. Using an Agrobacterium-mediated standard transformation method, we successfully introduced the CRISPR-Cas9 reagents into immature embryos and generated transgenic and mutant lines displaying the expected mutant phenotypes and genotypes. The transformation frequencies of the tested genotypes, defined as the numbers of transgenic event producing T1 seeds per 100 infected embryos, ranged from 0 to 17.1%. Approximately 80% of transgenic plants analyzed in this study showed various mutation patterns at the target site. The transformable FFMM line, FFMM-AT, can serve as a useful genetic and genomic resource for the maize community.
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Affiliation(s)
- Morgan E. McCaw
- Department of Agronomy, Iowa State University, Ames, IA, United States
- Crop Bioengineering Center, Iowa State University, Ames, IA, United States
| | - Keunsub Lee
- Department of Agronomy, Iowa State University, Ames, IA, United States
- Crop Bioengineering Center, Iowa State University, Ames, IA, United States
| | - Minjeong Kang
- Department of Agronomy, Iowa State University, Ames, IA, United States
- Crop Bioengineering Center, Iowa State University, Ames, IA, United States
- Interdepartmental Plant Biology Major, Iowa State University, Ames, IA, United States
| | - Jacob D. Zobrist
- Department of Agronomy, Iowa State University, Ames, IA, United States
- Crop Bioengineering Center, Iowa State University, Ames, IA, United States
- Interdepartmental Genetics and Genomics Major, Iowa State University, Ames, IA, United States
| | - Mercy K. Azanu
- Department of Agronomy, Iowa State University, Ames, IA, United States
- Crop Bioengineering Center, Iowa State University, Ames, IA, United States
- Interdepartmental Plant Biology Major, Iowa State University, Ames, IA, United States
| | - James A. Birchler
- Crop Bioengineering Center, Iowa State University, Ames, IA, United States
- Division of Biological Sciences, University of Missouri, Columbia, MO, United States
| | - Kan Wang
- Department of Agronomy, Iowa State University, Ames, IA, United States
- Crop Bioengineering Center, Iowa State University, Ames, IA, United States
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Tran TM, McCubbin TJ, Bihmidine S, Julius BT, Baker RF, Schauflinger M, Weil C, Springer N, Chomet P, Wagner R, Woessner J, Grote K, Peevers J, Slewinski TL, Braun DM. Maize Carbohydrate Partitioning Defective33 Encodes an MCTP Protein and Functions in Sucrose Export from Leaves. MOLECULAR PLANT 2019; 12:1278-1293. [PMID: 31102785 DOI: 10.1016/j.molp.2019.05.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 04/09/2019] [Accepted: 05/03/2019] [Indexed: 05/29/2023]
Abstract
To sustain plant growth, development, and crop yield, sucrose must be transported from leaves to distant parts of the plant, such as seeds and roots. To identify genes that regulate sucrose accumulation and transport in maize (Zea mays), we isolated carbohydrate partitioning defective33 (cpd33), a recessive mutant that accumulated excess starch and soluble sugars in mature leaves. The cpd33 mutants also exhibited chlorosis in the leaf blades, greatly diminished plant growth, and reduced fertility. Cpd33 encodes a protein containing multiple C2 domains and transmembrane regions. Subcellular localization experiments showed the CPD33 protein localized to plasmodesmata (PD), the plasma membrane, and the endoplasmic reticulum. We also found that a loss-of-function mutant of the CPD33 homolog in Arabidopsis, QUIRKY, had a similar carbohydrate hyperaccumulation phenotype. Radioactively labeled sucrose transport assays showed that sucrose export was significantly lower in cpd33 mutant leaves relative to wild-type leaves. However, PD transport in the adaxial-abaxial direction was unaffected in cpd33 mutant leaves. Intriguingly, transmission electron microscopy revealed fewer PD at the companion cell-sieve element interface in mutant phloem tissue, providing a possible explanation for the reduced sucrose export in mutant leaves. Collectively, our results suggest that CPD33 functions to promote symplastic transport into sieve elements.
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Affiliation(s)
- Thu M Tran
- Division of Biological Sciences, Interdisciplinary Plant Group, Missouri Maize Center, University of Missouri, Columbia, MO 65211, USA; Division of Plant Sciences, University of Missouri, Columbia, MO 65211, USA; National Key Laboratory for Plant Cell Technology, Agricultural Genetics Institute, Hanoi, Vietnam
| | - Tyler J McCubbin
- Division of Biological Sciences, Interdisciplinary Plant Group, Missouri Maize Center, University of Missouri, Columbia, MO 65211, USA; Division of Plant Sciences, University of Missouri, Columbia, MO 65211, USA
| | - Saadia Bihmidine
- Division of Biological Sciences, Interdisciplinary Plant Group, Missouri Maize Center, University of Missouri, Columbia, MO 65211, USA
| | - Benjamin T Julius
- Division of Biological Sciences, Interdisciplinary Plant Group, Missouri Maize Center, University of Missouri, Columbia, MO 65211, USA
| | - R Frank Baker
- Division of Biological Sciences, Interdisciplinary Plant Group, Missouri Maize Center, University of Missouri, Columbia, MO 65211, USA
| | - Martin Schauflinger
- Electron Microscopy Core Facility, University of Missouri, Columbia, MO 65211, USA
| | - Clifford Weil
- Department of Agronomy, Purdue University, West Lafayette, IN 47907, USA
| | - Nathan Springer
- Department of Plant and Microbial Biology, University of Minnesota, Saint Paul, MN 55108, USA
| | - Paul Chomet
- NRGene Inc., 8910 University Center Lane, ∖r∖nSuite 400, San Diego, CA 92122, USA
| | - Ruth Wagner
- Bayer Crop Science, Chesterfield, MO 63017, USA
| | | | - Karen Grote
- Bayer Crop Science, Chesterfield, MO 63017, USA
| | | | | | - David M Braun
- Division of Biological Sciences, Interdisciplinary Plant Group, Missouri Maize Center, University of Missouri, Columbia, MO 65211, USA.
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Speed breeding in growth chambers and glasshouses for crop breeding and model plant research. Nat Protoc 2019; 13:2944-2963. [PMID: 30446746 DOI: 10.1038/s41596-018-0072-z] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
'Speed breeding' (SB) shortens the breeding cycle and accelerates crop research through rapid generation advancement. SB can be carried out in numerous ways, one of which involves extending the duration of plants' daily exposure to light, combined with early seed harvest, to cycle quickly from seed to seed, thereby reducing the generation times for some long-day (LD) or day-neutral crops. In this protocol, we present glasshouse and growth chamber-based SB approaches with supporting data from experimentation with several crops. We describe the conditions that promote the rapid growth of bread wheat, durum wheat, barley, oat, various Brassica species, chickpea, pea, grass pea, quinoa and Brachypodium distachyon. Points of flexibility within the protocols are highlighted, including how plant density can be increased to efficiently scale up plant numbers for single-seed descent (SSD). In addition, instructions are provided on how to perform SB on a small scale in a benchtop growth cabinet, enabling optimization of parameters at a low cost.
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Ghosh S, Watson A, Gonzalez-Navarro OE, Ramirez-Gonzalez RH, Yanes L, Mendoza-Suárez M, Simmonds J, Wells R, Rayner T, Green P, Hafeez A, Hayta S, Melton RE, Steed A, Sarkar A, Carter J, Perkins L, Lord J, Tester M, Osbourn A, Moscou MJ, Nicholson P, Harwood W, Martin C, Domoney C, Uauy C, Hazard B, Wulff BBH, Hickey LT. Speed breeding in growth chambers and glasshouses for crop breeding and model plant research. Nat Protoc 2018; 13:2944-2963. [PMID: 30446746 DOI: 10.1101/369512] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
'Speed breeding' (SB) shortens the breeding cycle and accelerates crop research through rapid generation advancement. SB can be carried out in numerous ways, one of which involves extending the duration of plants' daily exposure to light, combined with early seed harvest, to cycle quickly from seed to seed, thereby reducing the generation times for some long-day (LD) or day-neutral crops. In this protocol, we present glasshouse and growth chamber-based SB approaches with supporting data from experimentation with several crops. We describe the conditions that promote the rapid growth of bread wheat, durum wheat, barley, oat, various Brassica species, chickpea, pea, grass pea, quinoa and Brachypodium distachyon. Points of flexibility within the protocols are highlighted, including how plant density can be increased to efficiently scale up plant numbers for single-seed descent (SSD). In addition, instructions are provided on how to perform SB on a small scale in a benchtop growth cabinet, enabling optimization of parameters at a low cost.
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Affiliation(s)
- Sreya Ghosh
- John Innes Centre, Norwich Research Park, Norwich, UK
| | - Amy Watson
- Queensland Alliance for Agriculture and Food Innovation, University of Queensland, Brisbane, Australia
| | | | | | - Luis Yanes
- Earlham Institute, Norwich Research Park, Norwich, UK
| | | | | | - Rachel Wells
- John Innes Centre, Norwich Research Park, Norwich, UK
| | - Tracey Rayner
- John Innes Centre, Norwich Research Park, Norwich, UK
| | - Phon Green
- The Sainsbury Laboratory, Norwich Research Park, Norwich, UK
| | - Amber Hafeez
- John Innes Centre, Norwich Research Park, Norwich, UK
| | - Sadiye Hayta
- John Innes Centre, Norwich Research Park, Norwich, UK
| | | | - Andrew Steed
- John Innes Centre, Norwich Research Park, Norwich, UK
| | | | - Jeremy Carter
- John Innes Centre, Norwich Research Park, Norwich, UK
| | | | - John Lord
- John Innes Centre, Norwich Research Park, Norwich, UK
| | - Mark Tester
- Biological and Environmental Science and Engineering Division, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Anne Osbourn
- John Innes Centre, Norwich Research Park, Norwich, UK
| | | | | | - Wendy Harwood
- John Innes Centre, Norwich Research Park, Norwich, UK
| | - Cathie Martin
- John Innes Centre, Norwich Research Park, Norwich, UK
| | | | | | - Brittany Hazard
- Quadram Institute Bioscience, Norwich Research Park, Norwich, UK
| | | | - Lee T Hickey
- Queensland Alliance for Agriculture and Food Innovation, University of Queensland, Brisbane, Australia.
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