[HTML][HTML] Dark Pigments in Entomopathogenic Fungal Microsclerotia: Preliminary Evidence of a 1, 8-Dihydroxynaphthalene-melanin-like Compound in Metarhizium …

D Espín-Sánchez, L Preisegger, R Mazzolenis… - Journal of Fungi, 2023 - mdpi.com
Metarhizium robertsii microsclerotia are fungal aggregates composed of compacted,
pigmented hyphae. As they are highly tolerant to desiccation and produce infective conidia …

[HTML][HTML] Microsclerotia from Metarhizium robertsii: Production, ultrastructural analysis, robustness, and insecticidal activity

JLG Riaño, GP Barrera, LC Hernández, LF Villamizar - Fungal Biology, 2024 - Elsevier
Microsclerotia (MS) are considered one of the most promising propagules for use as active
ingredients in biopesticides due to their tolerance to abiotic factors and ability to produce …

[HTML][HTML] Tolerance to Abiotic Factors of Microsclerotia and Mycelial Pellets From Metarhizium robertsii, and Molecular and Ultrastructural Changes During …

FRS Paixão, C Huarte-Bonnet… - Frontiers in Fungal …, 2021 - frontiersin.org
Metarhizium species fungi are able to produce resistant structures termed microsclerotia,
formed by compact and melanized threads of hyphae. These propagules are tolerant to …

Biosynthesis of non-melanin pigment by a divergent polyketide synthase in Metarhizium robertsii

Y Chen, P Feng, Y Shang, YJ Xu, C Wang - Fungal Genetics and Biology, 2015 - Elsevier
Fungal polyketide synthases (PKSs) and their related gene clusters are highly diversified at
both inter-and intra-specific levels. The most well characterized PKS enzymes include those …

Production of microsclerotia of the fungal entomopathogen Metarhizium anisopliae and their potential for use as a biocontrol agent for soil-inhabiting insects

MA Jackson, ST Jaronski - mycological research, 2009 - Elsevier
Microsclerotia (MS), overwintering structures produced by many plant pathogenic fungi,
have not been described for Metarhizium anisopliae. Three strains of M. anisopliae–F52 …

Metarhizium robertsii MrAbaA affects conidial pigmentation via regulating MrPks1 and MrMlac1 expression

H Wu, Y Tong, C Wang, Y Yu, M Chen, Y Wang… - Journal of Invertebrate …, 2023 - Elsevier
Pigments of conidia play a crucial role in fungal defense against environmental stressors
such as UV radiation. The molecular basis of conidial pigmentation has been studied in the …

[HTML][HTML] Production of Microsclerotia by Metarhizium sp., and Factors Affecting Their Survival, Germination, and Conidial Yield

M Yousef-Yousef, A Romero-Conde… - Journal of Fungi, 2022 - mdpi.com
Microsclerotia (MS) produced by some species of Metarhizium can be used as active
ingredients in mycoinsecticides for the control of soil-dwelling stages of geophilic pests. In …

Microsclerotia production of Metarhizium spp. for dual role as plant biostimulant and control of Spodoptera frugiperda through corn seed coating

AC de Lira, GM Mascarin, ÍD Júnior - Fungal biology, 2020 - Elsevier
The fungal genus Metarhizium comprises entomopathogenic species capable of producing
overwintering structures known as microsclerotia. These structures offer many advantages in …

Analysis of melanin biosynthesis in the plant pathogenic fungus Colletotrichum gloeosporioides

X Wang, D Lu, C Tian - Fungal Biology, 2021 - Elsevier
Melanin is recognized as a dark pigment that can protect fungi from the harm of
environmental stresses. To investigate what roles of melanin played in the pathogenicity and …

Enhancing the stress tolerance and virulence of an entomopathogen by metabolic engineering of dihydroxynaphthalene melanin biosynthesis genes

MN Tseng, PC Chung, SS Tzean - Applied and environmental …, 2011 - Am Soc Microbiol
Entomopathogenic fungi have been used for biocontrol of insect pests for many decades.
However, the efficacy of such fungi in field trials is often inconsistent, mainly due to …