Article
Biotechnology & Applied Microbiology
Xing Liu, Liangchen Su, Limei Li, Zhi Zhang, Xiaoyun Li, Qingjian Liang, Ling Li
Summary: This study found that the HR tissue in plants has larger cells and 850 differentially expressed genes compared to PR tissue. AhGLK1 gene plays an important role in post-drought recovery in peanut, and 88 genes related to chlorophyll and photosynthesis are upregulated in HR. The findings provide important insights for exploring candidate gene functions related to drought tolerance and post-drought recovery ability in peanut.
Article
Agriculture, Multidisciplinary
Linmei Deng, Lifen Luo, Yue Li, Luotao Wang, Junxing Zhang, Bianxian Zi, Chen Ye, Yixiang Liu, Huichuan Huang, Xinyue Mei, Weiping Deng, Xiahong He, Shusheng Zhu, Min Yang
Summary: Plants can recruit beneficial microbes to improve their fitness under stress, and Panax notoginseng has been found to enrich a beneficial bacterium, Burkholderia sp. B36, under autotoxic ginsenoside stress. The stress activates root pathways and increases the secretion of specific metabolites that promote the growth of B36. Importantly, one of these metabolites, cinnamic acid, also enhances the colonization of B36 in the rhizosphere and increases the survival rate of P. notoginseng.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2023)
Article
Microbiology
Benzhong Fu, Qing Yan
Summary: Paraburkholderia phytofirmans PsJN is an endophytic bacterium that promotes plant growth and health. In this study, a gene bceQ related to EPS biosynthesis in PsJN was mutated, resulting in decreased EPS production and increased sensitivity to environmental stresses. The mutation also reduced the colonization of PsJN in plants under drought stress conditions. This is the first report to demonstrate the requirement of EPS production for maximal colonization of an endophytic bacterium in plant tissues under stress.
FRONTIERS IN MICROBIOLOGY
(2023)
Article
Plant Sciences
Raheela Waheed, Farah Deeba, Faisal Zulfiqar, Anam Moosa, Muhammad Nafees, Muhammad Ahsan Altaf, Muhammad Arif, Kadambot H. M. Siddique
Summary: Basmati rice is sensitive to environmental stresses, but this study identified drought-tolerant genotypes and highlighted several promising lines for drought-tolerant rice breeding programs. These lines can be further studied to understand the genes underlying drought tolerance.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Plant Sciences
Nan Sun, Lin Huang, Hongcheng Zhao, Nan Zhang, Xianyong Lin, Chengliang Sun
Summary: The application of Azospirillum brasilense can improve plant adaptation to Pi deficiency by promoting root hair development, enhancing acid phosphatase activity, and increasing Pi transporter expression levels.
PLANT AND CELL PHYSIOLOGY
(2022)
Article
Plant Sciences
Xiaolei Liu, Dong Liang, Wenjing Song, Xiaolin Wang, Wangjun Duan, Chengdong Wang, Peng Wang
Summary: This study explores the role of auxin and brassinolide in the changes of root morphology in tobacco under drought stress. It is found that auxin is involved in regulating root diameter and secondary lateral root density, while brassinolide may participate upstream of auxin under drought stress. These findings provide insights into the molecular mechanisms underlying the response of root morphology to drought stress and offer potential targets for breeding drought-tolerant tobacco varieties.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2023)
Article
Microbiology
Lukas Synek, Anamika Rawat, Floriane L'Haridon, Laure Weisskopf, Maged M. Saad, Heribert Hirt
Summary: The beneficial endophyte Enterobacter sp. SA187 efficiently colonizes the roots of various plant species and promotes plant growth, with different entry strategies identified for root and shoot colonization.
ENVIRONMENTAL MICROBIOLOGY
(2021)
Article
Biochemistry & Molecular Biology
Ruta Sutuliene, Ausra Brazaityte, Stanislaw Malek, Michal Jasik, Giedre Samuoliene
Summary: This study aimed to investigate the impact of boron nanoparticles on the antioxidant system and oxidative stress biomarkers in drought-stressed pea plants. The results showed that spraying with B2O3 nanoparticles at 12.5 ppm effectively stimulated phenol accumulation, antioxidant capacity, and enzyme activity in pea leaves exposed to drought. Furthermore, B2O3 nanoparticles reduced the levels of oxidative stress biomarkers and improved the growth and yield of pea plants affected by drought.
Article
Plant Sciences
Mengistu F. Mekureyaw, Chandana Pandey, Rosanna C. Hennessy, Mette H. Nicolaisen, Fulai Liu, Ole Nybroe, Thomas Roitsch
Summary: This study investigates the role of a beneficial bacterium, Pseudomonas fluorescens G20-18, in enhancing tomato growth and tolerance to drought stress. The researchers found that root inoculation with G20-18 positively influenced tomato growth and increased leaf chlorophyll and abscisic acid content, as well as promoting stomatal closure. Root inoculation also increased the activity of carbohydrate metabolism enzymes and antioxidant enzymes in drought-stressed plants. RNA sequencing revealed changes in gene regulation in response to G20-18, particularly during drought stress. The ability of G20-18 to produce cytokinins was found to be important for its interaction with tomato plants.
JOURNAL OF PLANT PHYSIOLOGY
(2022)
Article
Plant Sciences
Jing Wang, Ying Yu, Chunji Jiang, Zexin Sun, Xinning Wang, Zhiying Wang, Jingyao Ren, Zhihao Wang, Xiaoguang Wang, Zhenzhong Yang, Shuli Zhao, Chao Zhong, He Zhang, Xibo Liu, Shuli Kang, Xinhua Zhao, Haiqiu Yu
Summary: Drought restricts plant development, but peanut has resilience as a drought-tolerant plant. However, drought stress still affects peanut, causing deformed shoots and impaired flower bud differentiation, leading to reduced yield. Two peanut cultivars, HY22 and FH18, were screened for their drought responses at the seedling stage, revealing differences in root morphology, physiology-anatomy, and transcriptome. The genotype HY22 showed higher root vigor and maintained stable root anatomical structure, while FH18 had impaired anatomical structure. RNA sequencing found more differentially expressed genes in HY22, which were mainly related to hormone-mediated signaling pathways and biosynthetic processes. HY22 exhibited better tolerance to drought stress by enhancing antioxidant enzyme activities, root vigor, and maintaining cell microstructure. This study provides theoretical reference for understanding drought resistance mechanisms accurately.
ENVIRONMENTAL AND EXPERIMENTAL BOTANY
(2023)
Article
Plant Sciences
Yi Wang, Qina Chen, He Hu, Wenqing Zhang
Summary: Pinus massoniana seedlings grown under water-deficient conditions display coordinated adaptive responses. ECM fungi colonization enhances the content of MEHP in root exudates, which is likely an important feature for P. massoniana seedlings to adapt to drought stress.
JOURNAL OF PLANT GROWTH REGULATION
(2023)
Article
Plant Sciences
Yongming Duan, Min Han, Maja Grimm, Jasper Schierstaedt, Jafargholi Imani, Massimiliano Cardinale, Marie Le Jean, Joseph Nesme, Soren J. Sorensen, Adam Schikora
Summary: This study investigated the response of barley to three different beneficial bacteria, as well as the influence of soil-borne Ensifer meliloti on seed microbiome. The results showed distinct colonization patterns of the bacteria in the rhizosphere and induction of systemic resistance against foliar fungal pathogens. Transcriptome analysis revealed the regulation of ion- and stress-related genes in plants upon bacterial encounter. The study also found an effect of bacterial inoculation on the composition of seed endophytes. These findings contribute to the understanding of the interaction between ISR-triggering bacteria and crop plants, which is crucial for sustainable agriculture.
Article
Plant Sciences
Jonaliza L. Siangliw, Burin Thunnom, Mignon A. Natividad, Marinell R. Quintana, Dmytro Chebotarov, Kenneth L. McNally, Jonathan P. Lynch, Kathleen M. Brown, Amelia Henry
Summary: This study examined the phenotypic and genetic correlations among root anatomical, morphological, and agronomic phenotypes in rice accessions from Southeast Asia under drought stress. The results identified root phenotypes related to productivity and revealed candidate genes associated with root development, providing useful information for genetic improvement.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Rafael Villar-Moreno, Sandra Tienda, Jose A. Gutierrez-Barranquero, Victor J. Carrion, Antonio de Vicente, Francisco M. Cazorla, Eva Arrebola
Summary: This study investigated the interactions between rhizospheric Pc strains and plant roots, focusing on their effects on root performance. The researchers found that PCL1606 has a better adaptation to nutrient-rich environments and forms biofilms. Additionally, PCL1601 and PCL1606 strains were well adapted to avocado roots and showed biocontrol activity against a fungal pathogen. These findings suggest that these strains could be used to construct a beneficial microbial community associated with avocado plant roots.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Environmental Sciences
Jie Yang, Yujun Gu, Zhigao Chen, Yao Song, Fengfei Sun, Juan Liu, Michael Gatheru Waigi
Summary: This study found that rhizosphere bacterium Pyrene-degrading bacterium has a positive impact on the plant uptake of pyrene, promoting plant growth and reducing the content and translocation of pyrene, providing a potential solution for alleviating plant pyrene pollution. This finding is of great significance for the safety of agricultural products and human health in PAH-contaminated sites.
Article
Nanoscience & Nanotechnology
Anne Anderson, Joan McLean, Paul McManus, David Britt
INTERNATIONAL JOURNAL OF NANOTECHNOLOGY
(2017)
Article
Agriculture, Multidisciplinary
Michelle Bonebrake, Kaitlyn Anderson, Jonathan Valiente, Astrid Jacobson, Joan E. McLean, Anne Anderson, David W. Britt
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2018)
Article
Agriculture, Multidisciplinary
Anne J. Anderson, Joan E. McLean, Astrid R. Jacobson, David W. Britt
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2018)
Article
Environmental Sciences
Paul McManus, Joshua Hortin, Anne J. Anderson, Astrid R. Jacobson, David W. Britt, Joseph Stewart, Joan E. McLean
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY
(2018)
Article
Energy & Fuels
Ji Zhang, Kaitlyn Anderson, David Britt, Yanna Liang
Article
Chemistry, Multidisciplinary
Abul Bashar Mohammad Giasuddin, Anthony Cartwright, Kyle Jackson, David W. Britt
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2019)
Article
Biochemistry & Molecular Biology
Abul Bashar Mohammad Giasuddin, David W. Britt
Article
Biochemistry & Molecular Biology
Abul Bashar Mohammad Giasuddin, David W. Britt
Article
Agriculture, Multidisciplinary
Andrew T. Gagon, David W. Britt, Luis J. Bastarrachea
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2020)
Article
Food Science & Technology
Andrew T. Gagon, David W. Britt, Luis J. Bastarrachea
LWT-FOOD SCIENCE AND TECHNOLOGY
(2020)
Article
Agronomy
Michel Esper Neto, David W. Britt, Lorena Moreira Lara, Anthony Cartwright, Rayssa Fernanda dos Santos, Tadeu Takeyoshi Inoue, Marcelo Augusto Batista
Review
Agronomy
Anthony Cartwright, Kyle Jackson, Christina Morgan, Anne Anderson, David W. Britt
Article
Plant Sciences
Anne J. J. Anderson, Joshua M. M. Hortin, Astrid R. R. Jacobson, David W. W. Britt, Joan E. E. McLean
Summary: This study focuses on the effects of drought and microbial root colonization on metabolites in shoots and rhizosphere with metal-chelation properties. The findings show that drought leads to the accumulation of amino acids in shoots, while microbial colonization has little effect on the metabolites. However, an active microbial root colonization generally reduces the metabolites in rhizosphere solutions, which may contribute to biocontrol of pathogen growth. The study also predicts the formation of Fe-Ca-gluconates, ion forms of Zn, and the chelation of Cu with the siderophore 2'-deoxymugineic acid, low molecular weight organic acids, and amino acids. Therefore, the changes in metabolites caused by drought and microbial root colonization have potential impacts on plant vigor and metal bioavailability.
Article
Chemistry, Multidisciplinary
J. M. Hortin, A. J. Anderson, D. W. Britt, A. R. Jacobson, J. E. McLean
ENVIRONMENTAL SCIENCE-NANO
(2019)