Use of Natural and Residual Resources for the Sustainable Management of Phytonematodes: Challenges and Future Trends

Rocha, T. L.; Polez, Vera Lúcia Perussi; Viol, Lívia Cristina de Souza; Pimentel, Reinaldo Rodrigues; Biscaia, Danielle; Pinheiro, J. B.

doi:10.1007/978-3-031-09943-4_1

Cited by 2 publications

(5 citation statements)

References 107 publications

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“…Chemical groups, such as alkaloids, terpenes, coumarins, flavonoids, among others, represent some of the elements responsible for inhibiting the action of various phytoparasites and, therefore, have competence to serve as a basis for the development of more eco-friendly pesticides, and mitigate the negative effects caused by pesticides [82]. Brazil has a mega diversity of plant resources with potential to be exploited in the prospection of biopesticides [83].…”

Section: Bio-molecules To Control Plant Pathogensmentioning

confidence: 99%

Genetic Engineering of Purslane (Portulaca oleracea L.)

Ferreira¹,

Salgado²,

Souza³

et al. 2024

Medicinal Plants - Chemical, Biochemical, and Pharmacological Approaches

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Portulaca oleracea L., popularly known as purslane, is an herbaceous succulent plant classified as one of the most important invasive weeds in the world. Due to its high nutritional level and wide range of pharmacological effects, involving anti-inflammatory, antibacterial, antioxidant, and antiulcerogenic, purslane is one of the medicinal species listed by the World Health Organization. In addition, purslane produces several phytochemicals, including flavonoids, alkaloids, and terpenoids, which confer different pharmacological activities and make the plant highly attractive for use in the most diverse industries. It has high adaptability to extreme soil conditions, able to grow and spread in environments under drought stress, salinity, and poor nutrients; and has been presented as a potential model plant to study resistance to abiotic stresses. Among other purslane traits of interest to the agriculture sector, is worth to mention phytoremediation and allelopathy, thus being a sustainable alternative in organic agriculture. Here, we report a bibliometric analysis of purslane in vitro tissue culture and genetic modification/editing, and discuss opportunities and limitations to exploit the biotechnological potential of purslane as a source of valuable bio-molecules for many different industries.

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Section: Bio-molecules To Control Plant Pathogensmentioning

confidence: 99%

Genetic Engineering of Purslane (Portulaca oleracea L.)

Ferreira¹,

Salgado²,

Souza³

et al. 2024

Medicinal Plants - Chemical, Biochemical, and Pharmacological Approaches

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“…Notably, studies have shown that the aqueous extract of Canavalia ensiformis (L.) DC. and Crotalaria spectabilis Roth [11,34,42,43], both from Fabaceae family, exhibit promising results. Nematicidal activity has also been reported for compounds derived from botanical species All tested ACEs effectively paralyzed the J2 of M. incognita (nematostatic effect); however, only AM1 and AM5 extracts of A. stenosperma and A. hassleri, respectively, demonstrated the ability to kill over 90% of the nematodes (nematicide action).…”

Section: Recovery In Vitro Bioassaymentioning

confidence: 99%

“…Notably, studies have shown that the aqueous extract of Canavalia ensiformis (L.) DC. and Crotalaria spectabilis Roth [11,34,42,43], both from Fabaceae family, exhibit promising results. Nematicidal activity has also been reported for compounds derived from botanical species including Ricinus communis L. [44], Crotalaria juncea L. [45,46], and Azadirachta indica A. Juss.…”

Section: Recovery In Vitro Bioassaymentioning

confidence: 99%

“…According to the literature, aqueous crude seed extracts may contain chemical components associated with nematotoxic activity, specifically secondary metabolites such as alkaloids, terpenes, terpenoids, tannins, and phenolic compounds [11,42,49,50]. The recorded activity of each ACE may be linked to the presence and concentration of chemical compounds in the sample, which can exert their active potential independently or in synergy with other compounds.…”

Section: Recovery In Vitro Bioassaymentioning

confidence: 99%

“…According to Lopes et al [41], phenylpropanoid derivatives such as stilbenes and flavonoids are the compounds most frequently found in the Arachis genus and are involved in defense mechanisms against physical injuries and microbial contamination. Stilbene synthesis in various tissues, including seeds, is associated with resistance to diseases According to the literature, aqueous crude seed extracts may contain chemical components associated with nematotoxic activity, specifically secondary metabolites such as alkaloids, terpenes, terpenoids, tannins, and phenolic compounds [11,42,49,50]. The recorded activity of each ACE may be linked to the presence and concentration of chemical compounds in the sample, which can exert their active potential independently or in synergy with other compounds.…”

Section: Recovery In Vitro Bioassaymentioning

confidence: 99%

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Prospection of Nematotoxic Aqueous Seeds Extracts Derived from the Preserved Arachis (Fabaceae) Germplasm Bank

Nascimento,

Brauna,

Ferreira

et al. 2023

IJPB

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Plant-parasitic nematodes (PPN) are the most damaging plant pathogens all over the world. Root-knot nematodes (RKNs), considered the most important phytonematodes globally, cause significant agricultural losses. Despite the availability of various strategies to manage these pathogenic agents, excessive use of nematicides poses a threat to human health and the environment. Compounds derived from plant sources are proposed as an alternative to new biocides, potentially offering advantages over synthetic components. Several species within the Fabaceae family, including those within the Arachis genus, have demonstrated potential as sources of nematotoxic compounds. As part of a research program aimed at exploring bioactive compounds and valorizing germplasm banks, this study evaluated the nematicidal and nematostatic effects of aqueous crude extracts (ACEs) obtained from nine Arachis species sourced from the Embrapa Active Germplasm Bank against M. incognita’s second-stage juveniles (J2). The results indicate that Arachis stenosperma (ACE1) has promising nematocidal potential, with effectiveness exceeding 95% on dead nematodes for doses above 0.5 mg/mL. ACE1 has also demonstrated thermostability and lower harmful effects on bovine cells. This research provides a fresh outlook on the promising use of preserved germplasms to enhance Germplasm Storage Bank’s value, given the underexplored potential of these biological assets.

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Use of Natural and Residual Resources for the Sustainable Management of Phytonematodes: Challenges and Future Trends

Cited by 2 publications

References 107 publications

Genetic Engineering of Purslane (Portulaca oleracea L.)

Genetic Engineering of Purslane (Portulaca oleracea L.)

Prospection of Nematotoxic Aqueous Seeds Extracts Derived from the Preserved Arachis (Fabaceae) Germplasm Bank

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