Role of endophytic bacteria in salinity stress amelioration by physiological and molecular mechanisms of defense: A comprehensive review

Ali, Baber; Hafeez, Aqsa; Javed, Muhammad Ammar; Afridi, Muhammad Siddique; Abbasi, Hina Ali; Qayyum, A.; Batool, Tayyaba; Ullah, Abid; Marc, Romina Alina; Jaouni, Soad K. Al; Alkhalifah, Dalal Hussien M.; Selim, Samy

doi:10.1016/j.sajb.2022.09.036

Cited by 48 publications

(39 citation statements)

References 164 publications

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“…Boron plays a key role in cell wall formation, carbohydrate, Indoleacetic acid (IAA) and Ribonucleic acid (RNA) metabolism, membrane integrity, calcium uptake, translocation of sugars, flowering, pollination and ultimately growth [83][84][85]. The increase in primary branches, pods per plant and pod length is attributed to the role of B in cell elongation and maturation, protein synthesis, development of meristematic tissues and eventually plant growth and yield [86][87][88][89][90].…”

Section: Discussionmentioning

confidence: 99%

Application of Zinc, Iron and Boron Enhances Productivity and Grain Biofortification of Mungbean

Zafar¹,

Ahmed²,

Munir³

et al. 2023

Phyton

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Deficiencies of essential vitamins, iron (Fe), and zinc (Zn) affect over one-half of the world's population. A significant progress has been made to control micronutrient deficiencies through supplementation, but new approaches are needed, especially to reach the rural poor. Agronomic biofortification of pulses with Zn, Fe, and boron (B) offers a pragmatic solution to combat hidden hunger instead of food fortification and supplementation. Moreover, it also has positive effects on crop production as well. Therefore, we conducted three separate field experiments for two consecutive years to evaluate the impact of soil and foliar application of the aforementioned nutrients on the yield and seed biofortification of mungbean. Soil application of Zn at 0, 4.125, 8.25, Fe at 0, 2.5, 5.0 and B at 0, 0.55, 1.1 kg ha −1 was done in the first, second and third experiment, respectively. Foliar application in these experiments was done at 0.3% Zn, 0.2% Fe and 0.1% B respectively one week after flowering initiation. Data revealed that soil-applied Zn, Fe and B at 8.25, 5.0 and 1.1 kg ha −1 , respectively, enhanced the grain yield of mungbean; however, this increase in yield was statistically similar to that recorded with Zn, Fe and B at 4.125, 2.5 and 0.55 kg ha −1 , respectively. Foliar application of these nutrients at flower initiation significantly enhanced the Zn contents by 28% and 31%, Fe contents by 80% and 78%, while B contents by 98% and 116% over control during 2019 and 2020, respectively. It was concluded from the results that soil application of Zn, Fe, and B enhanced the yield performance of mungbean; while significant improvements in seed Zn, Fe, and B contents were recorded with foliar application of these nutrients.

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Section: Discussionmentioning

confidence: 99%

Application of Zinc, Iron and Boron Enhances Productivity and Grain Biofortification of Mungbean

Zafar¹,

Ahmed²,

Munir³

et al. 2023

Phyton

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“…Several reviews have been published in the last few years, mostly concentrating on the mechanisms of action of PGPB and how these microorganisms act under different biotic and abiotic stress conditions [ 3 , 4 , 10 , 11 , 13 , 14 , 15 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 ]. Acinetobacter , Agrobacterium , Arthobacter , Azotobacter , Azospirillum , Bacillus , Bradyrhizobium, Burkholderia , Enterobacter , Erwinia , Frankia , Klebsiella , Micrococcus , Paenibacillus , Pseudomonas , Rhizobium , Serratia , and Thiobacillus are among the PGPB genera reported in the literature [ 13 , 15 , 23 , 24 , 26 , 36 , 37 , 38 ].…”

Section: Plant Growth-promoting Bacteria (Pgpb) and Their Mechanism O...mentioning

confidence: 99%

Perspectives on the Use of Biopolymeric Matrices as Carriers for Plant-Growth Promoting Bacteria in Agricultural Systems

et al. 2023

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The subject of this review is to discuss some aspects related to the use of biopolymeric matrices as carriers for plant-growth promoting bacteria (PGPB) in agricultural systems as a possible technological solution for the establishment of agricultural production practices that result in fewer adverse impacts on the environment, reporting some promising and interesting results on the topic. Results from the encapsulation of different PGPB on alginate, starch, chitosan, and gelatin matrices are discussed, systematizing some advances made in this area of knowledge in recent years. Encapsulation of these bacteria has been shown to be an effective method for protecting them from unsuitable environments, and these new products that can act as biofertilizers and biopesticides play an important role in the establishment of a sustainable and modern agriculture. These new products are technological solutions for replacing deleterious chemical fertilizers and pesticides, maintaining soil fertility and stability, and improving crop productivity and food security. Finally, in the near future, scale-up studies will have to provide new information about the large-scale production of these materials as well as their application in the field under different biotic and abiotic stress conditions.

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“…[ 42 ]. These strategies have been called direct mechanisms in plant growth stimulation [ 43 , 44 ]. Phenazines are nitrogenous heterotricyclic metabolites, usually produced by bacteria fluorescent pseudomonads in plant root microbiomes [ 45 ].…”

Section: The Dilemma Of Plant Microbiome Interactionsmentioning

confidence: 99%

Plant Microbiome Engineering: Hopes or Hypes

Afridi

Ali

Salam

et al. 2022

Biology

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Rhizosphere microbiome is a dynamic and complex zone of microbial communities. This complex plant-associated microbial community, usually regarded as the plant’s second genome, plays a crucial role in plant health. It is unquestioned that plant microbiome collectively contributes to plant growth and fitness. It also provides a safeguard from plant pathogens, and induces tolerance in the host against abiotic stressors. The revolution in omics, gene-editing and sequencing tools have somehow led to unravel the compositions and latent interactions between plants and microbes. Similarly, besides standard practices, many biotechnological, (bio)chemical and ecological methods have also been proposed. Such platforms have been solely dedicated to engineer the complex microbiome by untangling the potential barriers, and to achieve better agriculture output. Yet, several limitations, for example, the biological obstacles, abiotic constraints and molecular tools that capably impact plant microbiome engineering and functionality, remained unaddressed problems. In this review, we provide a holistic overview of plant microbiome composition, complexities, and major challenges in plant microbiome engineering. Then, we unearthed all inevitable abiotic factors that serve as bottlenecks by discouraging plant microbiome engineering and functionality. Lastly, by exploring the inherent role of micro/macrofauna, we propose economic and eco-friendly strategies that could be harnessed sustainably and biotechnologically for resilient plant microbiome engineering.

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Role of endophytic bacteria in salinity stress amelioration by physiological and molecular mechanisms of defense: A comprehensive review

Cited by 48 publications

References 164 publications

Application of Zinc, Iron and Boron Enhances Productivity and Grain Biofortification of Mungbean

Application of Zinc, Iron and Boron Enhances Productivity and Grain Biofortification of Mungbean

Perspectives on the Use of Biopolymeric Matrices as Carriers for Plant-Growth Promoting Bacteria in Agricultural Systems

Plant Microbiome Engineering: Hopes or Hypes

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