Production, physiochemical and antimicrobial properties of fungal chitosan from Rhizomucor miehei and Mucor racemosus

Tajdini, Farzaneh; Nafissi-Varcheh, Nastaran; Faramarzi, Mohammad Ali

doi:10.1016/j.ijbiomac.2010.05.002

Cited by 83 publications

(42 citation statements)

References 39 publications

(37 reference statements)

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“…As reported in our result, exposure time could be an important parameter in blocked the viability of potoscolices. Similarly reported by Gómez-Rivas et al (2004), Tajdini et al (2010) and Tavassoli et al (2012) prolonging the exposure time could improve the minimum inhibitory concentration value. The data indicate that scolicidal effect of FC and CC increased with increase of concentration.…”

Section: Discussionsupporting

confidence: 62%

“…Another possible mechanism proposed that the high concentration of chitosan, enable it to make a film which chelate nutrient material and causing the biomaterial inaccessible for survival indirectly (Li et al 2008). Several studies demonstrated that considering fungi as a source of chitosan over the other traditional sources has beneficial advantages including easy access, low cost culture nutrient and processing, independence of seasonal varieties (Tayel et al 2010a;Tajdini et al 2010). Tajdini et al (2010) investigated on isolated chitosan from Rhizomucor miehei and Mucor racemosus and their potential against six bacteria strains and two fungal strains and yeast.…”

Section: Discussionmentioning

confidence: 99%

“…Several studies demonstrated that considering fungi as a source of chitosan over the other traditional sources has beneficial advantages including easy access, low cost culture nutrient and processing, independence of seasonal varieties (Tayel et al 2010a;Tajdini et al 2010). Tajdini et al (2010) investigated on isolated chitosan from Rhizomucor miehei and Mucor racemosus and their potential against six bacteria strains and two fungal strains and yeast. They reported fungal chitosan showed higher antibacterial activity against gram negative bacteria rather than shrimp chitosan at 0.05-0.2 % concentration.…”

Section: Discussionmentioning

confidence: 99%

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In vitro protoscolicidal effects of fungal chitosan isolated from Penicillium waksmanii and Penicillium citrinum

et al. 2013

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Hydatidosis is caused by a tapeworm which infects humans by the larval stage. In humans, the disease is so serious that it requires surgery for treatment. Documents show that there have been many efforts in finding new scolicidal agents for reducing the rate of the infection. The objective of this study was determination of the scolicidal effect of two fungal chitosan types, produced from Penicillium spp. and commercially chitosan (CC) on Echinococcus granulosus protoscolex. Protoscolices were aseptically aspirated from sheep livers hydatid cysts. Four concentrations (50, 100, 200, 400 lg/ml) of each type of prepared chitosan were used for 10, 30, 60 and 180 min. Viability of protoscolices was detected by 0.1 % eosin staining. Fungal chitosan which was the most bioactive type with higher degree of deacetylation showed stronger scolicidal activity in vitro (P \ 0.05). Fungal chitosan could be recommended, as good as CC for hydatid cysts control and is a noble alternative for synthetic and chemical scolicidal.

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Section: Discussionsupporting

confidence: 62%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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In vitro protoscolicidal effects of fungal chitosan isolated from Penicillium waksmanii and Penicillium citrinum

et al. 2013

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“…R. pusillus and R. miehei are thermophilic saprophytic Mucormycetes with a wide geographic distribution but have not been associated commonly with human disease (279). R. miehei is important from a biotechnological aspect for cheese production (341) and in the pharmaceutical industry for the production of antibiotics and antifungals (323). Both R. pusillus and R. miehei were found in cigarettes and cured tobacco leaves in Nigerian-made cigarettes (232).…”

Section: Rhizomucor Pusillusmentioning

confidence: 99%

Mucormycosis Caused by Unusual Mucormycetes, Non-Rhizopus, -Mucor, and -Lichtheimia Species

2011

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SUMMARY Rhizopus , Mucor , and Lichtheimia (formerly Absidia ) species are the most common members of the order Mucorales that cause mucormycosis, accounting for 70 to 80% of all cases. In contrast, Cunninghamella , Apophysomyces , Saksenaea , Rhizomucor , Cokeromyces , Actinomucor , and Syncephalastrum species individually are responsible for fewer than 1 to 5% of reported cases of mucormycosis. In this review, we provide an overview of the epidemiology, clinical manifestations, diagnosis of, treatment of, and prognosis for unusual Mucormycetes infections (non- Rhizopus , - Mucor , and - Lichtheimia species). The infections caused by these less frequent members of the order Mucorales frequently differ in their epidemiology, geographic distribution, and disease manifestations. Cunninghamella bertholletiae and Rhizomucor pusillus affect primarily immunocompromised hosts, mostly resulting from spore inhalation, causing pulmonary and disseminated infections with high mortality rates. R. pusillus infections are nosocomial or health care related in a large proportion of cases. While Apophysomyces elegans and Saksenaea vasiformis are occasionally responsible for infections in immunocompromised individuals, most cases are encountered in immunocompetent individuals as a result of trauma, leading to soft tissue infections with relatively low mortality rates. Increased knowledge of the epidemiology and clinical presentations of these unusual Mucormycetes infections may improve early diagnosis and treatment.

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“…It is biocompatible, biodegradable and with good antimicrobial properties (Kong et al 2010;Rinaudo 2006). It is derived by deacetylation from chitin, a structural compound of crustacean shells and fungi (Limam et al 2011;Al Sagheer et al 2009;Tajdini et al 2010;Wang et al 2008). Owing to its multiple deacetylated, therefore primary, amine groups, chitosan is a pH-responsive biopolymer with reported pK a * values of 6.2-6.6 (Leane et al 2004;Phillips et al 2000;Prochazkova et al 1999).…”

Section: Chitosan N-isopropylacrylamide Acrylic Acidmentioning

confidence: 99%

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Production, physiochemical and antimicrobial properties of fungal chitosan from Rhizomucor miehei and Mucor racemosus

Cited by 83 publications

References 39 publications

In vitro protoscolicidal effects of fungal chitosan isolated from Penicillium waksmanii and Penicillium citrinum

In vitro protoscolicidal effects of fungal chitosan isolated from Penicillium waksmanii and Penicillium citrinum

Mucormycosis Caused by Unusual Mucormycetes, Non-Rhizopus, -Mucor, and -Lichtheimia Species

Advanced microgel-functionalized polyester textiles adaptive to ambient conditions

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