Action of carbendazim on the development of <i>Nosema bombycis</i> Naegeli in silkworm <i>Bombyx mori</i> L.

Jyothi, N.; Patil, C. S.; Dass, C. M. S.

doi:10.1111/j.1439-0418.2005.00922.x

Cited by 6 publications

(4 citation statements)

References 11 publications

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“…Hence, any molecule used for control of different pests in mulberry will have an impact on growth and productivity of silkworms. The toxic residue of insecticides may rupture the integument, cause complete cessation of feeding, stiffness in body resulting in 'S' or 'C' shaped larvae, vomiting and incomplete ecdysis [10] exhibited shrinkage of the body due to muscle contraction [11] upon feeding the leaves harvested from pesticide sprayed mulberry plot. Hence, a specific waiting period is suggested for safe use of such chemicals [12].…”

Section: Larval Mortality (%)mentioning

confidence: 99%

Assessing the Impact of Abamectin and Diafenthiuron on Silkworm Larval Growth and Survival

N M,

K S,

K G

et al. 2024

Asian Res. J. Agric.

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An experiment was conducted primarily to evaluate chemicals exhibiting dual insecticidal and acaricidal properties, with a specific focus on their compatibility with silkworms and indigenous natural predators within the mulberry ecosystem, to evaluate abamectin 1.9% EC and diafenthiuron 50% WP for safety period on mulberry silkworm, Bombyx mori L. (Jan-Feb and Mar-April 2023) where in the pesticides were sprayed on mulberry at different durations, after spray were fed to the silkworms from third instar onwards. There was no mortality (0.00%) of silkworm observed in the treatments during two seasons and the larval progression 100% during third, fourth and fifth instars. The total larval duration was found shortest when the silkworms were fed with mulberry leaves harvested from the plots sprayed with abamectin 1.9% EC at 0.75ml/lit (22.30 and 23.22 days) and diafenthiuron 50% WP at 1 g/lit (22.77 and 23.07 days) at 15 and 21 DAS, respectively. The larval weight was significantly maximum in the treatments with abamectin 1.9% EC at 0.75 ml/lit (4.29 and 4.08 g/larvae) and diafenthiuron 50% WP at 1 g/lit (4.17 and 4.06 g/ larvae), respectively at 15 and 21 DAS. The Effective Rate of Rearing (ERR %) was found highest with diafenthiuron 50% WP at 1 g/lit (97.78 and 96.67 % at 15 and 21 DAS) and abamectin 1.9% EC at 0.75 ml/lit (97.78 and 96.67 % at 15 and 21 DAS) that was comparable with control. The molecules, diafenthiuron 50% WP at 1 g/lit and abamectin 1.9% EC at 0.75 ml/lit were found safer to silkworms at 15 and 21 DAS in terms of survival and larval growth.

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Section: Larval Mortality (%)mentioning

confidence: 99%

Assessing the Impact of Abamectin and Diafenthiuron on Silkworm Larval Growth and Survival

N M,

K S,

K G

et al. 2024

Asian Res. J. Agric.

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“…Many studies suggest that benomyl and its derivative compounds are effective in controlling microsporidiosis in insects such as Nosema heliothidis in Heliothis zea and Nosema kingi in Drosophila willistoni ( Armstrong, 1976 ; Brooks et al, 1978 ). Ultrastructural evidence suggested that carbendazim causes elongation, vacuolation, and depletion of cytoplasmic contents of the of N. bombycis in meront and spore stages ( Jyothi et al, 2005 ). In China, carbendazim formulations have been registered and commercially marketed to control N. bombycis in silkworm seed production.…”

Section: Current Microsporidian Therapies and Their Targetsmentioning

confidence: 99%

Current Therapy and Therapeutic Targets for Microsporidiosis

et al. 2022

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Microsporidia are obligate intracellular, spore-forming parasitic fungi which are grouped with the Cryptomycota. They are both opportunistic pathogens in humans and emerging veterinary pathogens. In humans, they cause chronic diarrhea in immune-compromised patients and infection is associated with increased mortality. Besides their role in pébrine in sericulture, which was described in 1865, the prevalence and severity of microsporidiosis in beekeeping and aquaculture has increased markedly in recent decades. Therapy for these pathogens in medicine, veterinary, and agriculture has become a recent focus of attention. Currently, there are only a few commercially available antimicrosporidial drugs. New therapeutic agents are needed for these infections and this is an active area of investigation. In this article we provide a comprehensive summary of the current as well as several promising new agents for the treatment of microsporidiosis including: albendazole, fumagillin, nikkomycin, orlistat, synthetic polyamines, and quinolones. Therapeutic targets which could be utilized for the design of new drugs are also discussed including: tubulin, type 2 methionine aminopeptidase, polyamines, chitin synthases, topoisomerase IV, triosephosphate isomerase, and lipase. We also summarize reports on the utility of complementary and alternative medicine strategies including herbal extracts, propolis, and probiotics. This review should help facilitate drug development for combating microsporidiosis.

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“…For example, albendazole has been shown to be effective against several human pathogens, and fumagillin is applied to protect honeybees from Nosema apis infection [ 28 ]. A carbendazim-based formulation is also used to prevent N. bombycis infection in silkworm seed production [ 29 ]. An informative paper has recently been published on the treatment of honeybee nosemosis with antibiotics, small organic molecules, extracts and natural compounds [ 30 ].…”

Section: Introductionmentioning

confidence: 99%

Treatment of Microsporidium Nosema bombycis Spores with the New Antiseptic M250 Helps to Avoid Bacterial and Fungal Contamination of Infected Cultures without Affecting Parasite Polar Tube Extrusion

Senderskiy,

Dolgikh,

Ismatullaeva

et al. 2024

Microorganisms

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Microsporidia are a group of widespread eukaryotic spore-forming intracellular parasites of great economic and scientific importance. Since microsporidia cannot be cultured outside of a host cell, the search for new antimicrosporidian drugs requires an effective antiseptic to sterilize microsporidian spores to infect cell lines. Here, we show that a new polyhexamethylene guanidine derivative M250, which is active against fungi and bacteria at a concentration of 0.5–1 mg/L, is more than 1000 times less effective against spores of the microsporidium Nosema bombycis, a highly virulent pathogen of the silkworm Bombyx mori (LC50 is 0.173%). Treatment of N. bombycis spores that were isolated non-sterilely from silkworm caterpillars with 0.1% M250 solution does not reduce the rate of spore polar tube extrusion. However, it completely prevents contamination of the Sf-900 III cell culture medium by microorganisms in the presence of antibiotics. The addition of untreated spores to the medium results in contamination, whether antibiotics are present or not. Since 0.1% M250 does not affect spore discharging, this compound may be promising for preventing bacterial and fungal contamination of microsporidia-infected cell cultures.

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Action of carbendazim on the development of Nosema bombycis Naegeli in silkworm Bombyx mori L.

Cited by 6 publications

References 11 publications

Assessing the Impact of Abamectin and Diafenthiuron on Silkworm Larval Growth and Survival

Assessing the Impact of Abamectin and Diafenthiuron on Silkworm Larval Growth and Survival

Current Therapy and Therapeutic Targets for Microsporidiosis

Treatment of Microsporidium Nosema bombycis Spores with the New Antiseptic M250 Helps to Avoid Bacterial and Fungal Contamination of Infected Cultures without Affecting Parasite Polar Tube Extrusion

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