Secondary Metabolites from Cyanobacteria: A Potential Source for Plant Growth Promotion and Disease Management

Kumar, Gagan; Teli, Basavaraj; Mukherjee, Arpan; Bajpai, Raina; Sarma, B. K.

doi:10.1007/978-981-13-5862-3_12

Cited by 8 publications

(4 citation statements)

References 71 publications

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“…Recently, SA has been used externally or internally as inducers against various plant pathogens [ 75 , 76 ]. SA has been described as a key molecule in the signal transduction pathways of the biological stress response by using cyanobacteria to activate and increase SA, IAA as these hormones act as antimicrobial substances [ 76 , 77 ]. The significance of ABA in plant disease resistance is unclear when compared to that of the plant hormones jasmonic acid and salicylic acid, both of which play key roles in disease resistance [ 78 ].…”

Section: Discussionmentioning

confidence: 99%

Cyanobacteria-Mediated Immune Responses in Pepper Plants against Fusarium Wilt

Abdelaziz

Attia

Salem

et al. 2022

Plants

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Research in plant pathology has increasingly focused on developing environmentally friendly, effective strategies for controlling plant diseases. Cyanobacteria, including Desmonostoc muscorum, Anabaena oryzae, and Arthrospiraplatensis, were applied to Capsicum annuum L. to induce immunity against Fusarium wilt. Soil irrigation and foliar shoots (FS) application were used in this investigation. The disease symptoms, disease index, osmotic contents, total phenol, Malondialdehyde (MDA), hydrogen peroxide (H2O2), antioxidant enzymes (activity and isozymes), endogenous hormone content, and response to stimulation of defense resistance in infected plants were assessed. Results demonstrated that using all cyanobacterial aqueous extracts significantly reduced the risk of infection with Fusarium oxysporum. One of the most effective ways to combat the disease was through foliar spraying with Arthrospira platensis, Desmonostoc muscorum, and Anabaena oryzae (which provided 95, 90, and 69% protection percent, respectively). All metabolic resistance indices increased significantly following the application of the cyanobacterial aqueous extracts. Growth, metabolic characteristics, and phenols increased due to the application of cyanobacteria. Polyphenol oxidase (PPO) and peroxidase (POD) expressions improved in response to cyanobacteria application. Furthermore, treatment by cyanobacteria enhanced salicylic acid (SA) and Indole-3-Acetic Acid (IAA) in the infected plants while decreasing Abscisic acid (ABA). The infected pepper plant recovered from Fusarium wilt because cyanobacterial extract contained many biologically active compounds. The application of cyanobacteria through foliar spraying seems to be an effective approach to relieve the toxic influences of F. oxysporum on infected pepper plants as green and alternative therapeutic nutrients of chemical fungicides.

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Section: Discussionmentioning

confidence: 99%

Cyanobacteria-Mediated Immune Responses in Pepper Plants against Fusarium Wilt

Abdelaziz

Attia

Salem

et al. 2022

Plants

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“…Cyanobacteria extract was used to reduce the anticipated degradation due to abiotic stress, which is mainly due to oxidative damage. Additionally, phenolic and flavonoid content, antioxidant capacity, and proline accumulation were observed to increase [25]. This is attributed to the growth-stimulating activities and composition of the cyanobacteria extract itself.…”

Section: Effect Of Soil and Foliar Treatments On Osmolytes Under Osmo...mentioning

confidence: 89%

“…Cyanobacteria are a diverse group of photosynthetic microorganisms that play an essential role in many ecosystems [25]. In recent years, there has been growing interest in their potential use as biofertilizers due to their ability to fix atmospheric nitrogen and produce various biostimulants, such as phytohormones and other growth-promoting substances [26].…”

Section: Introductionmentioning

confidence: 99%

Mitigating Osmotic Stress and Enhancing Developmental Productivity Processes in Cotton through Integrative Use of Vermicompost and Cyanobacteria

Alharbi

Hafez

Omara

et al. 2023

Plants

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There is an urgent demand for biostimulant amendments that can sustainably alleviate osmotic stress. However, limited information is available about the integrated application of vermicompost and a cyanobacteria extract on cotton plants. In 2020 and 2021, two field experiments were carried out in which twelve combinations of three irrigation intervals were employed every 14 days (Irrig.14), 21 days (Irrig.21), and 28 days (Irrig.28) along with four amendment treatments (a control, vermicompost, cyanobacteria extract, and combination of vermicompost + cyanobacteria extract) in salt-affected soil. The integrative use of vermicompost and a cyanobacteria extract resulted in an observed improvement in the physicochemical attributes; non-enzymatic antioxidants (free amino acids, proline, total soluble sugars, and phenolics); and antioxidant enzyme activities of catalase (CAT), superoxide dismutase (SOD), and peroxidase (POD) and a decrease in the levels of oxidative damage indicators (H2O2 and MDA). Significant augmentation in the content of chlorophyll a and b, carotenoid concentration, relative water content, stomatal conductance, and K+ was also observed. In conjunction with these findings, noticeable decreases in the content of Na+ and hydrogen peroxide (H2O2) and the degree of lipid peroxidation (MDA) proved the efficacy of this technique. Consequently, the highest cotton yield and productivity as well as fiber quality were achieved when vermicompost and a cyanobacteria extract were used together under increasing irrigation intervals in salt-affected soil. In conclusion, the integrated application of vermicompost and a cyanobacteria extract can be helpful for obtaining higher cotton productivity and fiber quality compared with the studied control and the individual applications of the vermicompost or the cyanobacteria extract under increasing irrigation intervals within salt-affected soil. Additionally, it can also help alleviate the harmful impact of these abiotic stresses.

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“…Plants, however, can benefit from the supply of fixed nitrogen through co-culture with cyanobacteria. For instance, plant-growth-promoting effects have already been demonstrated for various extracts from cyanobacteria [62]. Cyanobacteria are able to synthesize a variety of bioactive molecules with, for example, antimicrobial or growth-promoting properties.…”

Section: Cyanobacterial Metabolitesmentioning

confidence: 99%

The Beneficial Effects of Cyanobacterial Co-Culture on Plant Growth

Kollmen

Strieth

2022

Life

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Cyanobacteria are ubiquitous phototrophic prokaryotes that find a wide range of applications in industry due to their broad product spectrum. In this context, the application of cyanobacteria as biofertilizers and thus as an alternative to artificial fertilizers has emerged in recent decades. The benefit is mostly based on the ability of cyanobacteria to fix elemental nitrogen and make it available to the plants in a usable form. However, the positive effects of co-cultivating plants with cyanobacteria are not limited to the provision of nitrogen. Cyanobacteria produce numerous secondary metabolites that can be useful for plants, for example, they can have growth-promoting effects or increase resistance to plant diseases. The effects of biotic and abiotic stress can as well be reduced by many secondary metabolites. Furthermore, the biofilms formed by the cyanobacteria can lead to improved soil conditions, such as increased water retention capacity. To exchange the substances mentioned, cyanobacteria form symbioses with plants, whereby the strength of the symbiosis depends on both partners, and not every plant can form symbiosis with every cyanobacterium. Not only the plants in symbiosis benefit from the cyanobacteria, but also vice versa. This review summarizes the beneficial effects of cyanobacterial co-cultivation on plants, highlighting the substances exchanged and the strength of cyanobacterial symbioses with plants. A detailed explanation of the mechanism of nitrogen fixation in cyanobacterial heterocysts is given. Finally, a summary of possible applications of co-cultivation in the (agrar-)industry is given.

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Secondary Metabolites from Cyanobacteria: A Potential Source for Plant Growth Promotion and Disease Management

Cited by 8 publications

References 71 publications

Cyanobacteria-Mediated Immune Responses in Pepper Plants against Fusarium Wilt

Cyanobacteria-Mediated Immune Responses in Pepper Plants against Fusarium Wilt

Mitigating Osmotic Stress and Enhancing Developmental Productivity Processes in Cotton through Integrative Use of Vermicompost and Cyanobacteria

The Beneficial Effects of Cyanobacterial Co-Culture on Plant Growth

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