Academic literature on the topic 'Penicillium'

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Journal articles on the topic "Penicillium"

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Lalchhandama, Kholhring. "History of penicillin." WikiJournal of Medicine 8, no. 1 (2021): 3. http://dx.doi.org/10.15347/wjm/2021.003.

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The history of penicillin was shaped by the contributions of numerous scientists. The ultimate result was the discovery of the mould Penicillium's antibacterial activity and the subsequent development of penicillins, the most widely used antibiotics. Following an accidental discovery of the mould, later identified as Penicillium rubens, as the source of the antibacterial principle (1928) and the production of a pure compound (1942), penicillin became the first naturally derived antibiotic. There is anecdotal evidence of ancient societies using moulds to treat infections and of awareness that v
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Frisvad, J. C., O. Filtenborg, and D. T. Wicklow. "Terverticillate penicillia isolated from underground seed caches and cheek pouches of banner-tailed kangaroo rats (Dipodomys spectabilis)." Canadian Journal of Botany 65, no. 4 (1987): 765–73. http://dx.doi.org/10.1139/b87-102.

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Terverticillate penicillia were important colonists of the underground seed caches and the external cheek pouches of the banner-tailed kangaroo rat (Dipodomys spectabilis) from the North American desert. Two taxa representing the dominant Penicillium populations are described as new varieties of well-known ubiquitous species. Penicillium chrysogenum var. dipodomyis var.nov. produces the antibiotic penicillin but does not produce mycotoxins (PR-toxin and roquefortine C) known from P. chrysogenum. The new variety is further distinguished by having rough-walled stipes. Penicillium aurantiogriseum
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Frisvad, J. C. "A critical review of producers of small lactone mycotoxins: patulin, penicillic acid and moniliformin." World Mycotoxin Journal 11, no. 1 (2018): 73–100. http://dx.doi.org/10.3920/wmj2017.2294.

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A very large number of filamentous fungi has been reported to produce the small lactone mycotoxins patulin, penicillic acid and moniliformin. Among the 167 reported fungal producers of patulin, only production by 29 species could be confirmed. Patulin is produced by 3 Aspergillus species, 3 Paecilomyces species, 22 Penicillium species from 7 sections of Penicillium, and one Xylaria species. Among 101 reported producers of penicillic acid, 48 species could produce this mycotoxin. Penicillic acid is produced by 23 species in section Aspergillus subgenus Circumdati section Circumdati, by Malbranc
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Laich, Federico, Francisco Fierro, and Juan F. Martín. "Production of Penicillin by Fungi Growing on Food Products: Identification of a Complete Penicillin Gene Cluster in Penicillium griseofulvum and a Truncated Cluster in Penicillium verrucosum." Applied and Environmental Microbiology 68, no. 3 (2002): 1211–19. http://dx.doi.org/10.1128/aem.68.3.1211-1219.2002.

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ABSTRACT Mycobiota growing on food is often beneficial for the ripening and development of the specific flavor characteristics of the product, but it can also be harmful due to the production of undesirable compounds such as mycotoxins or antibiotics. Some of the fungi most frequently isolated from fermented and cured meat products such as Penicillium chrysogenum and Penicillium nalgiovense are known penicillin producers; the latter has been shown to be able to produce penicillin when growing on the surface of meat products and secrete it to the medium. The presence of penicillin in food must
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Bamigboye, O. O. "Screening of Some Fungi Associated with Maize Cob Degradation for Cellulase Activity." Greener Journal of Agricultural Sciences 3, no. 6 (2013): 492–96. https://doi.org/10.15580/GJAS.2013.6.011613389.

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Fungi involved in the biodegradation of maize-&nbsp;cob were isolated and screened for cellulase activity using glucose and carboxylmethyl cellulose as carbon sources.&nbsp; The effect of the carbon sources on cellulase production was determined.&nbsp; Eleven fungi species were isolated which include&nbsp;<em>Rhizopus oryzae, Aspergillus flavus,.&nbsp;Mucor racemosus, Aspergillus niger, Penicillium atrovenetum, Penicillium expansum, Botryotrichum piluliferum, Penicillium chrysogenum</em>&nbsp;and&nbsp;<em>Penicillium restictum</em>. Effect of carbon source on cellulase production was also repo
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Bamigboye, O. O. "Screening of Some Fungi Associated with Maize Cob Degradation for Cellulase Activity." Greener Journal of Biological Sciences 3, no. 6 (2013): 208–12. https://doi.org/10.15580/gjbs.2013.6.011613389.

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Fungi involved in the biodegradation of maize- cob were isolated and screened for cellulase activity using glucose and carboxylmethyl cellulose as carbon sources. The effect of the carbon sources on cellulase production was determined.&nbsp; Eleven fungi species were isolated which include&nbsp;<em>Rhizopus oryzae, Aspergillus flavus, Mucor racemosus, Aspergillus niger, Penicillium atrovenetum, Penicillium expansum, Botryotrichum piluliferum, Penicillium chrysogenum</em>&nbsp;and<em>&nbsp;Penicillium restictum</em>. Effect of carbon source on cellulase production was also reported. The highest
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Hardianto, Dudi, Suyanto ., Erwahyuni Endang Prabandari, Lira Windriawati, Edy Marwanta, and Tarwadi . "PENICILLIN PRODUCTION BY MUTANT OF Penicillium chrysogenum." Jurnal Bioteknologi & Biosains Indonesia (JBBI) 2, no. 1 (2016): 15. http://dx.doi.org/10.29122/jbbi.v2i1.530.

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Penisilin adalah antibiotika yang pertama kali ditemukan dan digunakan untuk pengobatan infeksi bakteri. Sejak ditemukan penisilin sebagai antibiotika oleh Alexander Fleming pada tahun 1928, banyak usaha dilakukan untuk meningkatkan produktivitas Penicillium chrysogenum. Pemuliaan galur untuk meningkatkan produksi penisilin dapat menggunakan mutasi acak secara fisika dan kimia. Pada penelitian ini, radiasi sinar ultraviolet digunakan untuk mendapatkan mutan P. chrysogenum. Produksi penisilin ditentukan menggunakan HPLC dan produktivitas mutan dibandingkan dengan induk P. chrysogenum. Mutan M12
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Zafrin, Mehnaz, Shamim Shamsi, and Md Abdullah Al Noman. "Morpho-molecular charactrization of endophytic fungi associated with aquilaria malaccensis lam." Bangladesh Journal of Plant Taxonomy 31, no. 1 (2024): 141–54. http://dx.doi.org/10.3329/bjpt.v31i1.74394.

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A total of 26 fungal isolates were identified from Aquilaria malaccensis Lam. (Agarwood). Among them Aspergillus flavus Link type-1, Aspergillus flavus Link type-2, Aspergillus niger Tiegh. type. 1, Aspergillus niger Tiegh. type. 2, Aspergillus sp. 1, Aspergillus sp. 2, Alternaria alternata (Fr.) keissl., Curvularia lunata (Wakker) Boedijn, Penicillum digitatum (Pers.) Sacc., Penicillium commune Thom, Penicillum italicum Wehmer, Penicillium sp. 1, Penicillium sp. 2, Penicillium sp. 3, Penicillium sp. 4, Eupenicillium sp. 1, Eupenicillium sp. 2, Sphaeropsis sp. Sacc. and Harknessia sp. Cooke. w
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Houbraken, Jos, Carlos A. López-Quintero, Jens C. Frisvad, et al. "Penicillium araracuarense sp. nov., Penicillium elleniae sp. nov., Penicillium penarojense sp. nov., Penicillium vanderhammenii sp. nov. and Penicillium wotroi sp. nov., isolated from leaf litter." International Journal of Systematic and Evolutionary Microbiology 61, no. 6 (2011): 1462–75. http://dx.doi.org/10.1099/ijs.0.025098-0.

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Several species of the genus Penicillium were isolated during a survey of the mycobiota of leaf litter and soil in Colombian Amazon forest. Five species, Penicillium penarojense sp. nov. (type strain CBS 113178T = IBT 23262T), Penicillium wotroi sp. nov. (type strain CBS 118171T = IBT 23253T), Penicillium araracuarense sp. nov. (type strain CBS 113149T = IBT 23247T), Penicillium elleniae sp. nov. (type strain CBS 118135T = IBT 23229T) and Penicillium vanderhammenii sp. nov. (type strain CBS 126216T = IBT 23203T) are described here as novel species. Their taxonomic novelty was determined using
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Andersen, S. J., and J. C. Frisvad. "Penicillin production by Penicillium nalgiovense." Letters in Applied Microbiology 19, no. 6 (1994): 486–88. http://dx.doi.org/10.1111/j.1472-765x.1994.tb00988.x.

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Dissertations / Theses on the topic "Penicillium"

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Smith, David John. "A genetic study of penicillin biosynthesis in Penicillium chrysogenum." Thesis, University of Bristol, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292440.

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Martínez, Benítez Eva. "Estudio de especies micotoxígenas del género Penicillium: Penicillium verrucosum Dierckx." Doctoral thesis, Universitat Autònoma de Barcelona, 2003. http://hdl.handle.net/10803/5598.

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Mycotoxins are toxic secondary metabolites produced after growth of fungal species of different genera. This mycotoxin production can be found in different substrata, including food and feed. Nowadays there is an increasing interest in the toxigenic properties of the strains isolated from food, feed and raw materials, and in the factors that can avoid this production. Species of the genus Penicillium, together with Aspergillus and Fusarium spp., are the majority in these substrata and also the main producers of mycotoxins. Ochratoxin A is one of the more studied mycotoxins currently, having a
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Newbert, Roger William. "A genetic analysis of high titre penicillin production strains of Penicillium chrysogenum." Thesis, University of Sheffield, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420327.

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Karhoot, J. M. "Production of penicillin G by Penicillium chrysogenum immobilized in rotating disc fermenters." Thesis, University of Strathclyde, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.381320.

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De, Noronha Pissarra Pedro Maria Do Carmo. "Towards a metabolic engineering approach for optimising penicillin production by penicillium chrysogeneum." Thesis, King's College London (University of London), 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.244795.

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Silva, José Vinícius da. "Estudo de alterações metabólicas nos fungos endofíticos Penicillium brasilianum e Penicillium griseoroseum." Universidade Federal de São Carlos, 2011. https://repositorio.ufscar.br/handle/ufscar/6532.

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Made available in DSpace on 2016-06-02T20:36:40Z (GMT). No. of bitstreams: 1 4447.pdf: 11266317 bytes, checksum: 6b1120210ec06b96c9b2a338298384a7 (MD5) Previous issue date: 2011-08-26<br>Universidade Federal de Sao Carlos<br>Microorganisms, known as being relatively simple, have shown a great adaptation power to different nutritional situations by changing their metabolism with lack or supply of nutrients in the culture medium. This feature allows a wide range of the use of microorganisms to produce metabolites with several interests. This study has been named OSMAC (One Strain Many Compound
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何耀祥 and Yiu-cheung Timothy Ho. "Biotyping in Penicillium marneffei." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31969732.

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White, Stewart. "Autolysis in Penicillium chrysogenum." Thesis, University of Strathclyde, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367044.

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Ho, Yiu-cheung Timothy. "Biotyping in Penicillium marneffei." Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22050310.

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Adatia, Remy. "The nephrotoxins of Penicillium aurantiogriseum." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/46637.

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Books on the topic "Penicillium"

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1937-, Peberdy John F., ed. Penicillium and acremonium. Plenum Press, 1987.

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Nielsen, Jens Høiriis. Physiological engineering aspects of penicillium chrysogenum. Polyteknisk forlag, 1995.

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Peberdy, John F., ed. Penicillium and Acremonium. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4899-1986-1.

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1937-, Peberdy John F., ed. Penicilliumand acremonium. Plenum, 1987.

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A, Samson Robert, and Pitt John I, eds. Integration of modern taxonomic methods for penicillium and aspergillus classification. Harwood Academicn Publishers, 2000.

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Samson, Robert A., and John I. Pitt, eds. Advances in Penicillium and Aspergillus Systematics. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4757-1856-0.

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International Penicillium and Aspergillus Workshop (1st 1985 Trippenhuis of the Royal Dutch Academy of Sciences and letters). Advances in penicillium and aspergillus systematics. Plenum Press, 1985.

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Pitt, John I. A laboratory guide to common penicillium species. 3rd ed. Commonwealth Scientific and Industrial Research Organization, Division of Food Processing, 2000.

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Samson, Robert A., and John I. Pitt, eds. Modern Concepts in Penicillium and Aspergillus Classification. Springer US, 1990. http://dx.doi.org/10.1007/978-1-4899-3579-3.

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Paul, Gopal Chandra. Image analysis for characterising Penicillium chrysogenum differentiation. University of Birmingham, 1992.

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Book chapters on the topic "Penicillium"

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Rimek, Dagmar. "Penicillium marneffei." In Lexikon der Infektionskrankheiten des Menschen. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-39026-8_823.

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Georgiev, Vassil St. "Penicillium marneffei." In Opportunistic Infections. Humana Press, 2003. https://doi.org/10.1007/978-1-59259-296-8_33.

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Williams, Anthony P., and John I. Pitt. "A Revised Key to Penicillium Subgenus Penicillium." In Advances in Penicillium and Aspergillus Systematics. Springer US, 1986. http://dx.doi.org/10.1007/978-1-4757-1856-0_13.

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Supparatpinyo, Khuanchai, and Thira Sirisanthana. "Penicillium marneffei Infections." In Atlas of Infectious Diseases. Current Medicine Group, 2000. http://dx.doi.org/10.1007/978-1-4757-9313-0_11.

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Bermúdez, Elena, Félix Núñez, Josué Delgado, and Miguel A. Asensio. "Penicillium and Talaromyces." In Laboratory Models for Foodborne Infections. CRC Press, 2017. http://dx.doi.org/10.1201/9781315120089-35.

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Chen, Sharon C. A., Tania C. Sorrell, and Wieland Meyer. "Aspergillus and Penicillium." In Manual of Clinical Microbiology. ASM Press, 2015. http://dx.doi.org/10.1128/9781555817381.ch119.

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Pitt, John I., and Ailsa D. Hocking. "Penicillium and Talaromyces." In Fungi and Food Spoilage. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85640-3_7.

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Onions, A. H. S., and B. L. Brady. "Taxonomy of Penicillium and Acremonium." In Penicillium and Acremonium. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4899-1986-1_1.

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Moss, Maurice O. "Morphology and Physiology of Penicillium and Acremonium." In Penicillium and Acremonium. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4899-1986-1_2.

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Saunders, G., and G. Holt. "Genetics of the Penicillia." In Penicillium and Acremonium. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4899-1986-1_3.

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Conference papers on the topic "Penicillium"

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Souza, Janaina Rodrigues, BRUNO REIS MOREIRA NACANO, FRANCO CLAUDIO BONETTI, and LUIZ CARLOS BARONE. "MENINGITE CAUSADA POR PENICILLIUM." In IV Congresso Brasileiro de Ciências Biológicas On-line. Revista Multidisciplinar de Educação e Meio Ambiente, 2023. http://dx.doi.org/10.51189/conbracib2023/16936.

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Lucas, M. Domenech, C. Vázquez Estévez, M. T. González-Jaén, and B. Patiño Álvarez. "Biocontrol of Penicillium expansum with yeast." In Proceedings of the III International Conference on Environmental, Industrial and Applied Microbiology (BioMicroWorld2009). WORLD SCIENTIFIC, 2010. http://dx.doi.org/10.1142/9789814322119_0079.

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OLIVEIRA, ISABELA SIMÕES, Geovana de Oliveira dos Santos, Ana Carolina Tribulato Polvani, Daniel Rosa Almeida Luiz, and Fabiana Guillen Moreira Gasparin. "Produção de Amilases por Penicillium sp." In Simpósio de Bioquímica e Biotecnologia. Galoa, 2017. http://dx.doi.org/10.17648/simbbtec-2017-80888.

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LIMA, R. C., H. N. L. SILVA, and L. M. PINOTTI. "PRODUÇÃO DE LIPASES POR Penicillium sp." In X Congresso Brasileiro de Engenharia Química. Editora Edgard Blücher, 2014. http://dx.doi.org/10.5151/chemeng-cobec-ic-07-eb-138.

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LACERDA, J. X., and L. M. PINOTTI. "PRODUÇÃO DE CELULASES POR PENICILLIUM SP." In XI Congresso Brasileiro de Engenharia Química em Iniciação Científica. Editora Edgard Blücher, 2015. http://dx.doi.org/10.5151/chemeng-cobeqic2015-052-31993-242947.

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Ahmed MAHMOOD, Abeer. "ISOLATION AND IDENTIFICATION OF AIR BORNE FUNGI IN HOUSE 'S ROOMS OF MOSUL CITY AND RELATION OF SENSITIVITY DISEASES." In VI.International Scientific Congress of Pure,Applied and Technological Sciences. Rimar Academy, 2022. http://dx.doi.org/10.47832/minarcongress6-50.

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This study was conducted to isolate fungi from air of (bedroom, kitchen and sitting room) of two (2) houses in fifteen (15) areas of east and west side of Mosul city which largest in the north of Iraq. A total of 165 fungal colonies (88in west,77 in east) were isolated ,the genera Aspergillus, Penicillium, Fusarium, Alternaria, Cladosporium, Heliminthosporium, Stemphylium, Botrytis. Penicillium was most prevalent fungal genera 38% in Wadihajar and the 10% in Masarif ,also Aspergillus 14% in east side and 6% in old city of west side of Mosul then Alternaria with rate of 5% in Masarif , 4% in ol
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Rastimesina, Inna, Olga Postolachi, Valentina Josan, Alina Cotoman, and Vera Mamaliga. "Screening of low density polyethylene degrading microorganisms." In National Scientific Symposium With International Participation: Modern Biotechnologies – Solutions to the Challenges of the Contemporary World. Institute of Microbiology and Biotechnology, Republic of Moldova, 2021. http://dx.doi.org/10.52757/imb21.003.

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Bacteria, actinobacteria, and micromycetes stored in the National Collection of NonPathogenic Microorganisms (CNMN) were assessed for the capacity to grow and degrade LDPE. There were tested 15 strains of bacteria from genera Pseudomonas, Bacillus, Streptomyces, and Rhodococcus, and 15 strains of micromycetes from genera Penicillium and Aspergillus. Among the studied bacterial strains, actinobacteria were more effective in LDPE degradation than bacilli and Pseudomonas spp. The members of genus Penicillium, in comparing with Aspergillus spp., degraded LDPE more actively.
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Marcondes Camargo, Lucas, Ricardo de Sousa Rodrigues, Michael da Conceição de Castro, et al. "Produção e extração de lipases de Penicillium corylophilum." In Simpósio de Bioquímica e Biotecnologia. Galoa, 2017. http://dx.doi.org/10.17648/simbbtec-2017-80914.

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Mahdi JABIR, Dhuha, Saba abdulameer Kadhim AL- ZIADI, and Ahmed Abdulameer KADHIM. "INHIBITORY EFFECT OF SOME COMMERCIAL DETERGENTS ON FUNGI ISOLATED FROM INDOOR AIR." In IV.International Scientific Congress of Pure,Appliedand Technological Sciences. Rimar Academy, 2022. http://dx.doi.org/10.47832/minarcongress4-27.

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The present study was aimed to investigate about the inhibitory effect of some detergents spread in the Iraqi markets contain a group of fungi that pollute the air of homes for this purpose a group of indoor air pollutant fungi of the following species have been isolated such as(Aspergillus niger, Alternaria alternata, Fusarium solani, F.oxysporum, Mucore sp., Rhizopus stolanifer and Penicillium) .The species (Penicillium, Fusarium solani, and Aspergillus niger) isolated from six houses chosen randomly in variant residential neighborhoods were selected to test the ability of some commercial de
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Ohta, Takayuki, Sachiko Iseki, Masafumi Ito, and Masaru Hori. "Inactivation mechanism of Penicillium digitatum using atmospheric pressure plasma." In 2010 IEEE Region 10 Conference (TENCON 2010). IEEE, 2010. http://dx.doi.org/10.1109/tencon.2010.5685967.

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Reports on the topic "Penicillium"

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Bender, Karen, Floortje Tilli, Khanh Pham, and Joop de Hoog. Hyacint antagonisten tegen roet en Penicillium. Wageningen Plant Research, 2023. http://dx.doi.org/10.18174/655100.

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Droby, Samir, Tim R. Gottwald, Richard Stange, Efraim Lewinsohn, and T. Gregory McCollum. Characterization of the biochemical basis of host specificity of Penicillium digitatum and Penicillium italicum on citrus fruit. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7587726.bard.

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l. This research demonstrates that citrus fruit volatiles play an important role in host recognition by P. digitatum and P. italicum. 2. Volatiles derived from non-host fruits and vegetables (apple, pear, tomato, pepper, strawberry and avocado) had no effect on promotion of spore germination and growth of citrus pathogens. 3. Citrus volatiles have a specific stimulatory effect solely on P. digitatum and P. italicum. Non-citrus pathogens such as P. expansum and B. cinerea not affected orinhibited by the volatile materials. The specific stimulatory effect of fruit peelvolatiles on citrus pathoge
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กาญจนวตี, เกรียง. การคัดเลือกจุลชีพเพื่อใช้ในการควบคุมทางชีวภาพต่อแมลงศัตรูพืช : รายงานผลการดำเนินงาน. จุฬาลงกรณ์มหาวิทยาลัย, 2019. https://doi.org/10.58837/chula.res.2019.27.

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เพลี้ยไฟเป็นแมลงศัตรูพืชที่สร้างความเสียหายต่อพืชเศรษฐกิจหลายชนิดในหลายประเทศทั่วโลก ใช้การควบคุมทางชีวภาพ (biological control) เป็นอีกหนึ่งทางเลือกในการควบคุมประชากรเพลี้ยไฟโดยไม่พึ่งพาการใช้สารเคมีซึ่งอาจทำให้เกิดผลกระทบต่อเกษตรกรและสิ่งแวดล้อม โครงการวิจัยนี้ได้ทำการตรวจสอบทางสัณฐานวิทยาพบว่าเพลี้ยไฟที่พบในสวนกล้วยไม้อยู่ใน สกุล Dichromothrips และเมื่อทำการแยกเชื้อราที่อาจก่อโรคในเพลี้ยไฟได้จากเพลี้ยไฟที่ตายหลังฉีดพ่นด้วยน้ำที่สกัดจากดินแหล่งต่าง ๆ ในพื้นที่โครงการ อพ.สธ. พบว่าสามารถแยกเชื้อราจากเพลี้ยไฟที่จายได้ทั้งหมด 29 isolate ซึ่งจัดอยู่ใน 7 กลุ่ม ได้แก่ สกุล Penicillium, สกุล Cladospo
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Prusky, Dov, Nancy P. Keller, and Amir Sherman. global regulation of mycotoxin accumulation during pathogenicity of Penicillium expansum in postharvest fruits. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7600012.bard.

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Background to the topic- Penicilliumas a postharvest pathogen and producer of the mycotoxin PAT. Penicilliumspp. are destructive phytopathogens, capable of causing decay in many deciduous fruits, during postharvest handling and storage; and the resulting losses can amount to 10% of the stored produce and the accumulation of large amounts of the mycotoxinpatulin. The overall goal of this proposal is to identify critical host and pathogen factors that modulate P. expansummycotoxin genes and pathways which are required for PAT production and virulence. Our preliminary results indicated that gluco
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Mejía, Cindy, Liz Uribe, Alba Marina Cotes, and Jimmy Zapata. Caracterización fisiológica y actividad biocontroladora de levaduras filosféricas sobre Penicillium digitatum en poscosecha de naranja. Corporación Colombiana de Investigación Agropecuaria - AGROSAVIA, 2012. http://dx.doi.org/10.21930/agrosavia.poster.2012.8.

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El moho verde causado por Penicillium digitatum es la enfermedad más limitante en la postcosecha de cítricos. Dado que los conidios del hongo están en el aire éste puede afectar los frutos en la precosecha, en la planta de empaque, durante el transporte, en el almacenamiento y en el mercado. Dentro de los microorganismos utilizados como agentes de control biológico, las levaduras se destacan por su versatilidad fisiológica, ya que asimilan una gran variedad de sustratos (Andrews y Back, 2004). Igualmente colonizan y se reproducen rápidamente sobre la superficie vegetal y toleran condiciones am
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Sionov, Edward, Nancy Keller, and Shiri Barad-Kotler. Mechanisms governing the global regulation of mycotoxin production and pathogenicity by Penicillium expansum in postharvest fruits. United States Department of Agriculture, 2017. http://dx.doi.org/10.32747/2017.7604292.bard.

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The original objectives of the study, as defined in the approved proposal, are: To characterize the relationship of CreA and LaeA in regulation of P T production To understand how PacC modulates P. expansumpathogenicity on apples To examine if other secondary metabolites are involved in virulence or P. expansumfitness To identify the signaling pathways leading to PAT synthesis Penicilliumexpansum, the causal agent of blue mould rot, is a critical health concern because of the production of the mycotoxinpatulin (PAT) in colonized apple fruit tissue. Although PAT is produced by many Penicilliums
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Wisniewski, Michael, Samir Droby, John Norelli, Dov Prusky, and Vera Hershkovitz. Genetic and transcriptomic analysis of postharvest decay resistance in Malus sieversii and the identification of pathogenicity effectors in Penicillium expansum. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7597928.bard.

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Use of Lqh2 mutants (produced at TAU) and rNav1.2a mutants (produced at the US side) for identifying receptor site-3: Based on the fact that binding of scorpion alpha-toxins is voltage-dependent, which suggests toxin binding at the mobile voltage-sensing region, we analyzed which of the toxin bioactive domains (Core-domain or NC-domain) interacts with the DIV Gating-module of rNav1.2a. This analysis was based on the assumption that the dissociation of toxin mutants upon depolarization would vary from that of the unmodified toxin should the substitutions affect a site of interaction with the ch
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Wisniewski, Michael E., Samir Droby, John L. Norelli, Noa Sela, and Elena Levin. Genetic and transcriptomic analysis of postharvest decay resistance in Malus sieversii and the characterization of pathogenicity effectors in Penicillium expansum. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7600013.bard.

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Blue mold of apple caused by Penicilliumexpansumis a major postharvest disease. Selection for postharvest disease resistance in breeding programs has been ignored in favor of fruit quality traits such as size, color, taste, etc. The identification of postharvest disease resistance as a heritable trait would represent a significant accomplishment and has not been attempted in apple. Furthermore, insight into the biology of the pathogenicity of P. expansumin apple could provide new approaches to postharvest decay management. Hypothesis: Postharvest resistance of apple to P. expansumcan be mapped
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Droby, Samir, Michael Wisniewski, Ron Porat, and Dumitru Macarisin. Role of Reactive Oxygen Species (ROS) in Tritrophic Interactions in Postharvest Biocontrol Systems. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7594390.bard.

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To elucidate the role of ROS in the tri-trophic interactions in postharvest biocontrol systems a detailed molecular and biochemical investigation was undertaken. The application of the yeast biocontrol agent Metschnikowia fructicola, microarray analysis was performed on grapefruit surface wounds using an Affymetrix Citrus GeneChip. the data indicated that 1007 putative unigenes showed significant expression changes following wounding and yeast application relative to wounded controls. The expression of the genes encoding Respiratory burst oxidase (Rbo), mitogen-activated protein kinase (MAPK)
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ลออปักษา, อารีรัตน์, วิมลมาศ ลิปิพันธ์, พิณทิพย์ พงษ์เพ็ชร та กิ่งฟ้า ทรัพย์มนชัย. การศึกษาสภาวะที่เหมาะสมของ semicarbazide ในการวิเคราะห์หาปริมาณยาปฏิชีวนะที่ผสมกับ streptomycin โดยวิธีทางจุลชีววิทยา : รายงานการวิจัย. จุฬาลงกรณ์มหาวิทยาลัย, 1987. https://doi.org/10.58837/chula.res.1987.13.

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ความเข้มข้นของ semicarbazide hydrochloride ต่ำสุดที่มีผลยับยั้งการเจริญของเชื้อทดสอบ Sarcina lutea ATCC 9341, Staphylococcus aureus ATCC 6538P และ Bacillus subtilis ATCC 6633 ที่ใช้ในการวิเคราะห์ยาปฏิชีวนะมีค่าเท่ากับ 6.0, 10.0 และ 4.0 มก/มล. ตามลำดับ ดังนั้นเพื่อป้องกันผลรบกวนในการวิเคราะห์ยาปฏิชีวนะต้องใช้ความเข้มข้นของ semicarbazide hydrochloride ต่ำกว่าค่านี้ streptomycin ในความเข้มข้น 100 ไมโครกรัม/มล. จะถูกยับยั้งฤทธิ์การฆ่าเชื้อทดสอบ B. subtilis ได้โดยใช้ semicarbazide hydrochloride ในความเข้มข้นต่ำสุด 1.5 มก./มล. ปริมาตรเท่ากัน บ่มที่อุณหภูมิ 30 องศาเซลเซียส นาน 180 นาที และความเข้มข้น
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