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1. Establishment of Biosynthetic Pathways To Generate Castasterone as the Biologically Active Brassinosteroid in Brachypodium distachyon

Author:
Roh, Jeehee; Moon, Jinyoung; Youn, Ji-Hyun; Seo, Chaiweon; Park, Yeon Ju; Kim, Seong-Ki
Source:
Journal of agricultural and food chemistry 2020 v.68 no.13 pp. 3912-3923
ISSN:
1520-5118
Subject:
Brachypodium distachyon,   etc   ; biochemical pathways; biosynthesis; brassinolide; campesterol; gas chromatography-mass spectrometry; genes; growth and development; oxidoreductases;     Show all 9 Subjects
Abstract:
... Gas chromatography–mass spectrometry (GC–MS) analysis revealed that castasterone and its biosynthetic precursors are found in Brachypodium distachyon. In vitro conversion experiments with crude enzyme solutions prepared from B. distachyon demonstrated the presence of the following biosynthetic sequences: campesterol → campesta-4-en-3-one → campesta-3-one → campestanol → 6-deoxocathasterone → 6-deo ...
DOI:
10.1021/acs.jafc.9b07963

2. Multifloret spikelet improves rice yield

Author:
Ren, Deyong; Li, Yunfeng; He, Guanghua; Qian, Qian
Source:
Thenew phytologist 2020 v.225 no.6 pp. 2301-2306
ISSN:
0028-646X
Subject:
Brachypodium distachyon,   etc   ; Oryza sativa; cultivars; florets; grain yield; meristems; panicles; plant breeding; rice; spikelets;     Show all 10 Subjects
Abstract:
... The typical rice (Oryza sativa) spikelet contains a single fertile floret and produces only one grain; by contrast, Brachypodium distachyon spikelets contain multiple fertile florets and produce several grains. To increase yield, rice breeders have traditionally focused on panicle morphology (branch number and length, spikelet density), but have not considered the number of florets in each spikele ...
DOI:
10.1111/nph.16303

3. The florigen interactor BdES43 represses flowering in the model temperate grass Brachypodium distachyon

Author:
Cao, Shuanghe; Luo, Xumei; Xie, Li; Gao, Caixia; Wang, Daowen; Holt, Ben F., III; Lin, Hao; Chu, Chengcai; Xia, Xianchun
Source:
Theplant journal 2020 v.102 no.2 pp. 262-275
ISSN:
0960-7412
Subject:
Brachypodium distachyon,   etc   ; alternative splicing; epigenetics; florigen; flowering time; gene editing; genes; genetically modified organisms; loci; models; temperate grasses; transcription (genetics);     Show all 12 Subjects
Abstract:
... FLOWERING LOCUS T (FT) protein, physiologically florigen, has been identified as a system integrator of numerous flowering time pathways in many studies, and its homologs are found throughout the plant lineage. It is important to uncover how precisely florigenic homologs contribute to flowering initiation and how these factors interact genetically. Here we dissected the function of Brachypodium FT ...
DOI:
10.1111/tpj.14622

4. Never the Two Shall Mix: Robust Indel Markers to Ensure the Fidelity of Two Pivotal and Closely-Related Accessions of <i>Brachypodium distachyon</i>

Author:
Brew-Appiah, Rhoda A. T.; Peracchi, Luigi M.; Sanguinet, Karen A.
Source:
Plants 2019 v.8 no.6
ISSN:
2223-7747
Subject:
Brachypodium distachyon,   etc   ; genes; heterozygosity; homozygosity; loci; models; population genetics;     Show all 7 Subjects
Abstract:
... Brachypodium distachyon is an established model for monocotyledonous plants. Numerous markers intended for gene discovery and population genetics have been designed. However to date, very few indel markers with larger and easily scored length polymorphism differences, that distinguish between the two morphologically similar and highly utilized B. distachyon accessions, Bd21, the reference genome a ...
DOI:
10.3390/plants8060153
PubMed:
31174296
PubMed Central:
PMC6630600

5. Brachypodium distachyon tar2lʰʸᵖᵒ mutant shows reduced root developmental response to symbiotic signal but increased arbuscular mycorrhiza

Author:
Buendia, Luis; Ribeyre, Camille; Bensmihen, Sandra; Lefebvre, Benoit
Source:
Plant signaling & behavior 2019 v.14 no.10 pp. e1651608
ISSN:
1559-2324
Subject:
Brachypodium distachyon,   etc   ; auxins; homeostasis; lateral roots; mutants; mycorrhizal fungi; plant hormones; vesicular arbuscular mycorrhizae;     Show all 8 Subjects
Abstract:
... Auxin is a major phytohormone that controls root development. A role for auxin is also emerging in the control of plant–microbe interactions, including for the establishment of root endosymbiosis between plants and arbuscular mycorrhizal fungi (AMF). Auxin perception is important both for root colonization by AMF and for arbuscule formation. AMF produce symbiotic signals called lipo-chitooligosacc ...
DOI:
10.1080/15592324.2019.1651608
PubMed:
31392918
PubMed Central:
PMC6768201

6. Roles of Hardened Husks and Membranes Surrounding <i>Brachypodium hybridum</i> Grains on Germination and Seedling Growth

Author:
El-Keblawy, Ali; Elgabra, Masarra; Mosa, Kareem A.; Fakhry, Amal; Soliman, Sameh
Source:
Plants 2019 v.8 no.9
ISSN:
2223-7747
Subject:
Brachypodium distachyon,   etc   ; dormancy; genetic models; grains; grasses; hulls; seed germination; seedling growth; seedlings; soaking; temperature;     Show all 11 Subjects
Abstract:
... Several studies have assessed the function and significance of the presence of dead, hardened husks on germination and seedling growth in several grass species and reached to inconsistent results. Here, we assess the roles of husks (dead lemma and palea) and an inner membrane surrounding the grains on germination behaviour and seedling growth of Brachypodium hybridum, one of three species of the g ...
DOI:
10.3390/plants8090322
PubMed:
31484325
PubMed Central:
PMC6784022

7. Transcriptome analysis of responses in Brachypodium distachyon overexpressing the BdbZIP26 transcription factor

Author:
Martin, Ruth C.; Kronmiller, Brent A.; Dombrowski, James E.
Source:
BMC plant biology 2020 v.20 no.1 pp. 174
ISSN:
1471-2229
Subject:
Brachypodium distachyon,   etc   ; biotic stress; calcium; calmodulin; gene expression regulation; gene overexpression; phosphotransferases (kinases); plant growth; protein metabolism; salt stress; salt tolerance; sequence analysis; stress tolerance; transcription factors; transcriptomics; transgenic plants;     Show all 16 Subjects
Abstract:
... BACKGROUND: Biotic and abiotic stresses are the major cause of reduced growth, persistence, and yield in agriculture. Over the past decade, RNA-Sequencing and the use of transgenics with altered expression of stress related genes have been utilized to gain a better understanding of the molecular mechanisms leading to salt tolerance in a variety of species. Identification of transcription factors t ...
Handle:
10113/6893668
DOI:
10.1186/s12870-020-02341-3
PubMed:
32312226
PubMed Central:
PMC7171782

8. Mechanical stimulation in Brachypodium distachyon: Implications for fitness, productivity, and cell wall properties

Author:
Gladala‐Kostarz, Agnieszka; Doonan, John H.; Bosch, Maurice
Source:
Plant, cell and environment 2020 v.43 no.5 pp. 1314-1330
ISSN:
0140-7791
Subject:
Brachypodium distachyon,   etc   ; agronomic traits; bioenergy; biomass; cell walls; environmental factors; enzyme activity; genetic variation; grasses; late flowering; lignin content; mechanical methods; pectinesterase; plant growth; seed yield; stems; sugars; wind;     Show all 18 Subjects
Abstract:
... Mechanical stimulation, including exposure to wind, is a common environmental variable for plants. However, knowledge about the morphogenetic response of the grasses (Poaceae) to mechanical stimulation and impact on relevant agronomic traits is very limited. Two natural accessions of Brachypodium distachyon were exposed to wind and mechanical treatments. We surveyed a wide range of stem‐related tr ...
DOI:
10.1111/pce.13724

9. Plasticity of Phymatotrichopsis omnivora infection strategies is dependent on host and nonhost plant responses

Author:
Kankanala, Prasanna; Jones, Piet; Nandety, Raja Sekhar; Jacobson, Daniel A.; Mysore, Kirankumar S.
Source:
Plant, cell and environment 2020 v.43 no.4 pp. 1084-1101
ISSN:
0140-7791
Subject:
Brachypodium distachyon,   etc   ; Arabidopsis thaliana; Medicago truncatula; Phymatotrichopsis omnivora; aromatic acids; cell walls; crop losses; genes; host range; mutants; peptides; plant pathogenic fungi; plant response; stress response; sugars; transcriptomics; virulence;     Show all 17 Subjects
Abstract:
... Necrotrophic fungi constitute the largest group of plant fungal pathogens that cause heavy crop losses worldwide. Phymatotrichopsis omnivora is a broad host, soil‐borne necrotrophic fungal pathogen that infects over 2,000 dicotyledonous plants. The molecular basis of such broad host range is unknown. We conducted cell biology and transcriptomic studies in Medicago truncatula (susceptible), Brachyp ...
DOI:
10.1111/pce.13721
PubMed:
31930733
PubMed Central:
PMC7154777

10. Divergent gene expression networks underlie morphological diversity of abscission zones in grasses

Author:
Yu, Yunqing; Hu, Hao; Doust, Andrew N.; Kellogg, Elizabeth A.
Source:
Thenew phytologist 2020 v.225 no.4 pp. 1799-1815
ISSN:
0028-646X
Subject:
Brachypodium distachyon,   etc   ; RNA; Setaria viridis; abscission; cell walls; flowers; gene expression; gene regulatory networks; genes; grasses; in situ hybridization; light microscopy; rice; sequence analysis; spikelets; transcription (genetics); transcriptome; transmission electron microscopy;     Show all 18 Subjects
Abstract:
... Abscission is a process in which plants shed their parts, and is mediated by a particular set of cells, the abscission zone (AZ). In grasses (Poaceae), the position of the AZ differs among species, raising the question of whether its anatomical structure and genetic control are conserved. The ancestral position of the AZ was reconstructed. A combination of light microscopy, transmission electron m ...
DOI:
10.1111/nph.16087
PubMed:
31372996
PubMed Central:
PMC7003853

11. Split‐root system optimization based on the survival, growth and development of the model Poaceae Brachypodium distachyon

Author:
Agapit, Corinne; Gigon, Agnès; Girin, Thomas; Leitao, Luis; Blouin, Manuel
Source:
Physiologia plantarum 2020 v.168 no.1 pp. 227-236
ISSN:
0031-9317
Subject:
Brachypodium distachyon,   etc   ; autophagy; biomass production; coleoptiles; cutting; energy; environmental factors; grains; growing media; growth and development; hydroponics; models; nutrients; photosynthesis; plant growth; plant response; root systems; roots; shoots; soil; survival rate; system optimization;     Show all 22 Subjects
Abstract:
... Split‐root system has been developed to better understand plant response to environmental factors, by exposing two separate parts of a single root system to heterogeneous situations. Surprisingly, there is no study attempting to maximize plant survival, growth and root system structure through a statistically sound comparison of different experimental protocols. Here, we aim at optimizing split‐ro ...
DOI:
10.1111/ppl.12971

12. Analysis of Brachypodium genomes with genome-wide optical maps

Author:
Zhu, Tingting; Hu, Zhaorong; Rodriguez, Juan C.; Deal, Karin R.; Dvorak, Jan; Vogel, John P.; Liu, Zhiyong; Luo, Ming-Cheng
Source:
Genome 2018 v.61 no.8 pp. 559-565
ISSN:
1480-3321
Subject:
Brachypodium distachyon,   etc   ; allopolyploidy; chromosomes; diploidy; genetic models; genome; hybridization;     Show all 7 Subjects
Abstract:
... Brachypodium distachyon (n = 5) is a diploid and has been widely used as a genetic model. Brachypodium stacei (n = 10) and B. hybridum (n = 15) are species that are related to B. distachyon, leading to an hypothesis that they are part of a polyploid series based on x = 5. Several lines of evidence suggest that this hypothesis is incorrect and that the genomes of the three taxa may have evolved by ...
DOI:
10.1139/gen-2018-0013

13. Phylogenetic and expression analysis of histone acetyltransferases in Brachypodium distachyon

Author:
Tan, Shenglong; Gao, Lifen; Li, Tiantian; Chen, Lihong
Source:
Genomics 2019 v.111 no.6 pp. 1966-1976
ISSN:
0888-7543
Subject:
Brachypodium distachyon,   etc   ; Magnoliopsida; abiotic stress; acetylation; eukaryotic cells; genes; histone acetyltransferase; histone deacetylase; histones; models; phylogeny; post-translational modification;     Show all 12 Subjects
Abstract:
... Histone acetylation is an important post-translational modification in eukaryotes and is regulated by two antagonistic enzymes, namely histone acetyltransferase (HAT) and histone deacetylase (HDAC). However, little has been done on the HAT superfamily in Brachypodium distachyon (B. distachyon), a new model plant of Poaceae. In this study, eight HATs were identified from B. distachyon and classifie ...
DOI:
10.1016/j.ygeno.2019.01.008

14. Resource allocation to growth or luxury consumption drives mycorrhizal responses

Author:
Riley, Rohan C.; Cavagnaro, Timothy R.; Brien, Chris; Smith, F. Andrew; Smith, Sally E.; Berger, Bettina; Garnett, Trevor; Stonor, Rebecca; Schilling, Rhiannon K.; Chen, Zhong‐Hua; Powell, Jeff R.
Source:
Ecology letters 2019 v.22 no.11 pp. 1757-1766
ISSN:
1461-023X
Subject:
Brachypodium distachyon,   etc   ; carbon; genotype; mutualism; mycorrhizal fungi; nitrogen; phenotype; phosphorus; photosynthesis; resource allocation; stoichiometry; vesicular arbuscular mycorrhizae;     Show all 12 Subjects
Abstract:
... Highly variable phenotypic responses in mycorrhizal plants challenge our functional understanding of plant‐fungal mutualisms. Using non‐invasive high‐throughput phenotyping, we observed that arbuscular mycorrhizal (AM) fungi relieved phosphorus (P) limitation and enhanced growth of Brachypodium distachyon under P‐limited conditions, while photosynthetic limitation under low nitrogen (N) was exacer ...
DOI:
10.1111/ele.13353

15. Genomic analysis of intrinsically disordered proteins in cereals: From mining to meaning

Author:
Choura, Mouna; Ebel, Chantal; Hanin, Moez
Source:
Gene 2019 v.714 pp. 143984
ISSN:
0378-1119
Subject:
Brachypodium distachyon,   etc   ; Arabidopsis thaliana; Oryza sativa; Sorghum bicolor; Zea mays; gene ontology; genomics; grains; models; prediction; proteins; proteome;     Show all 12 Subjects
Abstract:
... Intrinsically disordered proteins (IDPs) are highly abundant in eukaryotic proteomes and involved in key biological and cellular processes. Although some resources of disordered protein predictions are available from animal and plant proteomes, those related to cereals are largely unknown. Here, we present an overview of IDPomes from Oryza sativa, Zea mays, Sorghum bicolor and Brachypodium distach ...
DOI:
10.1016/j.gene.2019.143984

16. Multilab EcoFAB study shows highly reproducible physiology and depletion of soil metabolites by a model grass

Author:
Sasse, Joelle; Kant, Josefine; Cole, Benjamin J.; Klein, Andrew P.; Arsova, Borjana; Schlaepfer, Pascal; Gao, Jian; Lewald, Kyle; Zhalnina, Kateryna; Kosina, Suzanne; Bowen, Benjamin P.; Treen, Daniel; Vogel, John; Visel, Axel; Watt, Michelle; Dangl, Jeffery L.; Northen, Trent R.
Source:
Thenew phytologist 2019 v.222 no.2 pp. 1149-1160
ISSN:
0028-646X
Subject:
Brachypodium distachyon,   etc   ; ecosystems; grasses; metabolism; metabolites; models; phosphates; plant growth; plant morphology; root hairs; soil; tissue weight;     Show all 12 Subjects
Abstract:
... There is a dynamic reciprocity between plants and their environment: soil physiochemical properties influence plant morphology and metabolism, and root morphology and exudates shape the environment surrounding roots. Here, we investigate the reproducibility of plant trait changes in response to three growth environments. We utilized fabricated ecosystem (EcoFAB) devices to grow the model grass Bra ...
DOI:
10.1111/nph.15662
PubMed:
30585637
PubMed Central:
PMC6519027

17. Prospects of pan-genomics in barley

Author:
Monat, Cécile; Schreiber, Mona; Stein, Nils; Mascher, Martin
Source:
Theoretical and applied genetics 2019 v.132 no.3 pp. 785-796
ISSN:
0040-5752
Subject:
Brachypodium distachyon,   etc   ; Hordeum vulgare; barley; bioinformatics; corn; evolution; gene banks; genes; genomics; genotype; grain crops; grasses; models; quantitative genetics; rice;     Show all 15 Subjects
Abstract:
... The concept of a pan-genome refers to intraspecific diversity in genome content and structure, encompassing both genes and intergenic space. Pan-genomic studies employ a combination of de novo sequence assembly and reference-based alignment to discover and genotype structural variants. The large size and complex structure of Triticeae genomes were for a long time an obstacle for genomic research i ...
DOI:
10.1007/s00122-018-3234-z

18. Overexpression of wheat α-mannosidase gene TaMP impairs salt tolerance in transgenic Brachypodium distachyon

Author:
Wang, Wenlong; Wu, Yunzhen; Shi, Ruirui; Sun, Mengwei; Li, Qinxue; Zhang, Guangqiang; Wu, Jiajie; Wang, Yong; Wang, Wei
Source:
Plant cell reports 2020 v.39 no.5 pp. 653-667
ISSN:
0721-7714
Subject:
Brachypodium distachyon,   etc   ; Triticum aestivum; abscisic acid; alpha-mannosidase; antioxidant enzymes; crop yield; crops; drought; eukaryotic cells; gene overexpression; genes; genetically modified organisms; hydrogen peroxide; ions; leaves; phenotype; photosynthesis; potassium; protein folding; salt stress; salt tolerance; sodium; stress tolerance; survival rate; toxicity; water stress; wheat;     Show all 27 Subjects
Abstract:
... KEY MESSAGE: The TaMP gene from wheat encodes an α-mannosidase induced by salt stress that functions as negative regulator of salt tolerance in plants. Salt stress significantly affects growth and yield of crop plants. The α-mannosidases function in protein folding, trafficking, and endoplasmic reticulum-associated degradation in eukaryotic cells, and they are involved in abiotic stress tolerance ...
DOI:
10.1007/s00299-020-02522-2

19. Mycorrhizal, nutritional and virgin olive oil parameters affected by groundcovers

Author:
García-González, Irene; García-Díaz, Andrés; Sastre, Blanca; Teutscherova, Nikola; Pérez, Ma Ángeles; Bienes, Ramón; Espejo, Rafael; Hontoria, Chiquinquirá
Source:
Zeitschrift für Pflanzenernährung und Bodenkunde 2019 v.182 no.5 pp. 815-823
ISSN:
1436-8730
Subject:
Brachypodium distachyon,   etc   ; Brassicaceae; Gypsisols; Olea europaea; Vicia ervilia; copper; groves; mycorrhizae; nutrients; nutritional status; olives; orchards; polyphenols; semiarid zones; soil degradation; tillage; vegetation cover; virgin olive oil;     Show all 18 Subjects
Abstract:
... Management of olive groves faces the challenge of reconciling yield, soil degradation and virgin olive oil (VOO) quality. We evaluated the effect of replacing tillage management by vegetal groundcovers (GC) on the relationships between mycorrhizal symbiosis, olive nutritional status, and VOO quality under field rainfed conditions. The experiment was set up in 2014 in an existing Cornicabra olive o ...
DOI:
10.1002/jpln.201800439

20. Characteristics and Expression Pattern of <i>MYC</i> Genes in <i>Triticum aestivum</i>, <i>Oryza sativa</i>, and <i>Brachypodium distachyon</i>

Author:
Chen, Shoukun; Zhao, Hongyan; Luo, Tengli; Liu, Yue; Nie, Xiaojun; Li, Haifeng
Source:
Plants 2019 v.8 no.8
ISSN:
2223-7747
Subject:
Brachypodium distachyon,   etc   ; Oryza sativa; Triticum aestivum; growth and development; inflorescences; leaves; leucine zipper; oncogenes; plant development; rice; stems; transcription factors; transcriptional activation; wheat;     Show all 14 Subjects
Abstract:
... Myelocytomatosis oncogenes (MYC) transcription factors (TFs) belong to basic helix-loop-helix (bHLH) TF family and have a special bHLH_MYC_N domain in the N-terminal region. Presently, there is no detailed and systematic analysis of MYC TFs in wheat, rice, and Brachypodium distachyon. In this study, 26 TaMYC, 7 OsMYC, and 7 BdMYC TFs were identified and their features were characterized. Firstly, ...
DOI:
10.3390/plants8080274
PubMed:
31398900
PubMed Central:
PMC6724133