Bacterial elicitors of the plant immune system: An overview and the way forward DOI Creative Commons
Ma. del Carmen Orozco-Mosqueda, Ayomide Emmanuel Fadiji, Olubukola Oluranti Babalola

et al.

Plant Stress, Journal Year: 2023, Volume and Issue: 7, P. 100138 - 100138

Published: Feb. 4, 2023

A wide variety of root-associated bacterial mutualist species sensitize plant defenses to counteract pathogen infections. These beneficial bacteria produce myriad molecules that induce systemic resistance (ISR) in plants. Here, we review pioneering and recent studies describing the role different ISR elicitors, including quorum sensing molecules, lipids, oligosaccharides, proteins, iron-chelating volatiles. The concepts differences between other immune responses, such as Localized Acquired Resistance (LAR) Systemic (SAR) are also explored. We highlight necessity understanding responses a chemical diversity molecules. Finally, discuss urgency using elicitors develop more sustainable agriculture by helping crops defend themselves from invading pathogens.

Language: Английский

Constraints and Prospects of Improving Cowpea Productivity to Ensure Food, Nutritional Security and Environmental Sustainability DOI Creative Commons
Olawale Israel Omomowo, Olubukola Oluranti Babalola

Frontiers in Plant Science, Journal Year: 2021, Volume and Issue: 12

Published: Oct. 22, 2021

Providing safe and secure food for an increasing number of people globally is challenging. Coping with such a human population by merely applying the conventional agricultural production system has not proved to be agro-ecologically friendly; nor it sustainable. Cowpea ( Vigna unguiculata (L) Walp) multi-purpose legume. It consists high-quality protein consumption, rich in livestock fodder. enriches soil that recycles nutrients through fixation nitrogen association nodulating bacteria. However, productivity this multi-functional, indigenous legume great value African smallholder farmers rural populace, also urban consumers entrepreneurs, limited. Because cowpea strategic importance Africa, there need improve on its productivity. Such endeavors Africa are wrought challenges include drought, salinity, excessive demand among synthetic chemicals, repercussions climate change, declining nutrients, microbial infestations, pest issues, so forth. Nevertheless, giant strides have already been made improvements adopting sustainable smart biotechnological approaches favorably influencing costs availability. As such, prospects leap enhancement genetic gain good. Potential viable means overcoming some above-mentioned constraints would focus key producer nations encourage them embrace techniques integrated approach enhance This review highlights spectrum limit yield, but looks ahead seeks way forward Africa. More importantly, investigates applications insights concerning mechanisms action implementing eco-friendly techniques, as deployment bio inoculants, climate-smart (CSA) practices, conservation multi-omics technology spheres genomics, transcriptomics, proteomics, metabolomics, improving yields achieve agro-ecosystems, ensuring their stability.

Language: Английский

Citations

72
Salicylic Acid in Root Growth and Development DOI Open Access

Zulfira Z. Bagautdinova,

Nadya Omelyanchuk,

Aleksandr V. Tyapkin

et al.

International Journal of Molecular Sciences, Journal Year: 2022, Volume and Issue: 23(4), P. 2228 - 2228

Published: Feb. 17, 2022

In plants, salicylic acid (SA) is a hormone that mediates plant’s defense against pathogens. SA also takes an active role in response to various abiotic stresses, including chilling, drought, salinity, and heavy metals. addition, recent years, numerous studies have confirmed the important of plant morphogenesis. this review, we summarize data on changes root morphology following treatments under both normal stress conditions. Finally, provide evidence for maintaining balance between responses morphogenesis development, presence crosstalk with other hormones during process.

Language: Английский

Citations

65
Spatially Restricted Immune Responses Are Required for Maintaining Root Meristematic Activity upon Detection of Bacteria DOI Creative Commons
Aurélia Emonet, Feng Zhou, Jordan Vacheron

et al.

Current Biology, Journal Year: 2021, Volume and Issue: 31(5), P. 1012 - 1028.e7

Published: Jan. 27, 2021

Plants restrict immune responses to vulnerable root parts. Spatially restricted are thought be necessary avoid constitutive rhizosphere microbiota. To directly demonstrate the importance of spatially responses, we expressed plant flagellin receptor (FLS2) in different tissues, combined with fluorescent defense markers for readouts at cellular resolution. Our analysis distinguishes appearing cell autonomous from apparently non-cell-autonomous responses. It reveals lignification as a general response, contrasting suberization. Importantly, our divides meristem into central zone refractory FLS2 expression and cortex that is sensitized by expression, causing collapse upon stimulation. Meristematic epidermal generates super-competent lines detect native bacterial bypass weak or absent response commensals, providing powerful tool studying immunity. manipulations incompatibility meristematic activity cell-resolved studies

Language: Английский

Citations

61
The Use of Synthetic Microbial Communities to Improve Plant Health DOI
Samuel J. Martins,

Josephine Pasche,

Hiago Antonio Oliveira da Silva

et al.

Phytopathology, Journal Year: 2023, Volume and Issue: 113(8), P. 1369 - 1379

Published: March 1, 2023

Despite the numerous benefits plants receive from probiotics, maintaining consistent results across applications is still a challenge. Cultivation-independent methods associated with reduced sequencing costs have considerably improved overall understanding of microbial ecology in plant environment. As result, now, it possible to engineer consortium microbes aiming for health. Such synthetic communities (SynComs) contain carefully chosen species produce desired microbiome function. Microbial biofilm formation, production secondary metabolites, and ability induce resistance are some traits consider when designing SynComs. Plant-associated not assembled randomly. Ecological theories suggest that these defined phylogenetic organization structured by general community assembly rules. Using machine learning, we can study rules target functions generate phenotypes. Well-structured assemblages more likely lead stable SynCom thrives under environmental stressors as compared classical selection single activities or taxonomy. However, ensuring colonization long-term phenotype stability one challenges overcome SynComs, may change over time horizontal gene transfer retained mutations. Here, explored advances made research regarding health, focusing on bacteria, they most dominant form other members commonly found studies.

Language: Английский

Citations

37
Bacterial elicitors of the plant immune system: An overview and the way forward DOI Creative Commons
Ma. del Carmen Orozco-Mosqueda, Ayomide Emmanuel Fadiji, Olubukola Oluranti Babalola

et al.

Plant Stress, Journal Year: 2023, Volume and Issue: 7, P. 100138 - 100138

Published: Feb. 4, 2023

A wide variety of root-associated bacterial mutualist species sensitize plant defenses to counteract pathogen infections. These beneficial bacteria produce myriad molecules that induce systemic resistance (ISR) in plants. Here, we review pioneering and recent studies describing the role different ISR elicitors, including quorum sensing molecules, lipids, oligosaccharides, proteins, iron-chelating volatiles. The concepts differences between other immune responses, such as Localized Acquired Resistance (LAR) Systemic (SAR) are also explored. We highlight necessity understanding responses a chemical diversity molecules. Finally, discuss urgency using elicitors develop more sustainable agriculture by helping crops defend themselves from invading pathogens.

Language: Английский

Citations

31