Draft Genome Sequence of Bacillus pumilus SCAL1, an Endophytic Heat-Tolerant Plant Growth-Promoting Bacterium

Mukhtar, Tehmeena; Afridi, Muhammad Siddique; McArthur, Robyn; Hamme, Jonathan D. Van; Rineau, François; Mahmood, Tariq; Amna, .; Sumaira,; Zahid, Muhammad; Salam, Abdul Kadir; Khan, Muhammad Nadeem; Ali, Fawad; Mehmood, Shehzad; Bangash, Naila Khan; Chaudhary, Hassan Javed

doi:10.1128/genomea.00306-18

Cited by 11 publications

(3 citation statements)

References 17 publications

(21 reference statements)

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“…This phenomenon is termed phytoremediation, and plant-microbial interactions play a pivotal role in efficacious phytoremediation. Endophytes can remediate soil and water contaminants and promote the growth of plants (Siciliano et al, 2001;Mukhtar et al, 2018). Soil contaminants increase the prevalence of catabolic genes in endophytes, and this phenomenon can be artificially introduced in bacteria.…”

Section: Urbanizationmentioning

confidence: 99%

New opportunities in plant microbiome engineering for increasing agricultural sustainability under stressful conditions

et al. 2022

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Plant microbiome (or phytomicrobiome) engineering (PME) is an anticipated untapped alternative strategy that could be exploited for plant growth, health and productivity under different environmental conditions. It has been proven that the phytomicrobiome has crucial contributions to plant health, pathogen control and tolerance under drastic environmental (a)biotic constraints. Consistent with plant health and safety, in this article we address the fundamental role of plant microbiome and its insights in plant health and productivity. We also explore the potential of plant microbiome under environmental restrictions and the proposition of improving microbial functions that can be supportive for better plant growth and production. Understanding the crucial role of plant associated microbial communities, we propose how the associated microbial actions could be enhanced to improve plant growth-promoting mechanisms, with a particular emphasis on plant beneficial fungi. Additionally, we suggest the possible plant strategies to adapt to a harsh environment by manipulating plant microbiomes. However, our current understanding of the microbiome is still in its infancy, and the major perturbations, such as anthropocentric actions, are not fully understood. Therefore, this work highlights the importance of manipulating the beneficial plant microbiome to create more sustainable agriculture, particularly under different environmental stressors.

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Section: Urbanizationmentioning

confidence: 99%

New opportunities in plant microbiome engineering for increasing agricultural sustainability under stressful conditions

et al. 2022

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“…Both growth promotion and biological control can be regulated by the same PGPR and endophytes strains and these traits are revealed by their genome studies [ 85 ]. Generally, the biological control of these bacteria relies on direct or indirect modes of action; however, all these mechanisms are highly influenced by the type of host plant [ 86 , 87 , 88 ].…”

Section: Deciphering the Potential Role Of Micro-macro Fauna In Plant...mentioning

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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“…It adversely affects different economically important crops such as wheat, soybean, and other crops, with the growth and productivity of maize being the most affected . High salinity promotes the utilization of an ethylene precursor ACC (1-aminocyclopropane-1-carboxylic acid deaminase), resulting in an increase in ethylene synthesis . Salinity also affects the Na + /K + ratio and causes osmotic stress, which inhibits plant growth and development processes. , The early seedling processes are affected by increased levels of salt in the rhizospheric region, which can ultimately deteriorate germination and vegetation parameters of several crops …”

Section: Introductionmentioning

confidence: 99%

Bacterial-Mediated Salinity Stress Tolerance in Maize (Zea mays L.): A Fortunate Way toward Sustainable Agriculture

Ali,

Hafeez,

Afridi

et al. 2023

ACS Omega

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Sustainable agriculture is threatened by salinity stress because of the low yield quality and low crop production. Rhizobacteria that promote plant growth modify physiological and molecular pathways to support plant development and reduce abiotic stresses. The recent study aimed to assess the tolerance capacity and impacts of Bacillus sp. PM31 on the growth, physiological, and molecular responses of maize to salinity stress. In comparison to uninoculated plants, the inoculation of Bacillus sp. PM31 improved the agro-morphological traits [shoot length (6%), root length (22%), plant height (16%), fresh weight (39%), dry weight (29%), leaf area (11%)], chlorophyll [Chl a (17%), Chl b (37%), total chl (22%)], carotenoids (15%), proteins (40%), sugars (43%), relative water (11%), flavonoids (22%), phenols (23%), radical scavenging capacity (13%), and antioxidants. The Bacillus sp. PM31-inoculated plants showed a reduction in the oxidative stress indicators [electrolyte leakage (12%), H2O2 (9%), and MDA (32%)] as compared to uninoculated plants under salinity and increased the level of osmolytes [free amino acids (36%), glycine betaine (17%), proline (11%)]. The enhancement of plant growth under salinity was further validated by the molecular profiling of Bacillus sp. PM31. Moreover, these physiological and molecular mechanisms were accompanied by the upregulation of stress-related genes (APX and SOD). Our study found that Bacillus sp. PM31 has a crucial and substantial role in reducing salinity stress through physiological and molecular processes, which may be used as an alternative approach to boost crop production and yield.

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Draft Genome Sequence of Bacillus pumilus SCAL1, an Endophytic Heat-Tolerant Plant Growth-Promoting Bacterium

Cited by 11 publications

References 17 publications

New opportunities in plant microbiome engineering for increasing agricultural sustainability under stressful conditions

New opportunities in plant microbiome engineering for increasing agricultural sustainability under stressful conditions

Plant Microbiome Engineering: Hopes or Hypes

Bacterial-Mediated Salinity Stress Tolerance in Maize (Zea mays L.): A Fortunate Way toward Sustainable Agriculture

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