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Identifikasi Bakteri Patogen Escherichia coli dan Salmonella spp. pada Rectal Swab Penjamah Makanan Rumah Sakit Di Yogyakarta Nur Ahmad Rudin; Naufal Ghozi Aditya Perdana; Ninda Nur Amalia
Jurnal Pro-Life Vol. 8 No. 3 (2021): November
Publisher : Program Studi Pendidikan Biologi Fakultas Keguruan dan Ilmu Pendidikan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/jpvol6Iss2pp102

Abstract

Microbial disease is an important health problem in Indonesia. Microbial diseases are often related to food sanitation, such as diarrhea, vomiting, typhus, gastrointestinal infections that caused by high levels microbial contamination in food served by various food providers. Pathogenic bacteria that often cause disease in humans are Salmonella spp. which causes typhus, and Escherichia coli which causes gastrointestinal infections, diarrhea, and meningitis. Analysis of pathogenic microbes is important to determine the types species of microbes that cause disease so the diseases that caused by pathogenic microbes in the community can be anticipated and handled appropriately. This study aims to determine the presence of pathogenic bacteria E. coli and Salmonella spp. on food handler rectal swab of hospital in Yogyakarta. The research was carried out by identification of bacteria with biochemical tests using BBL Crystal and pathogenicity test with E. coli antisera test. The results showed that pathogenic E. coli found in food handlers rectal swab of RS2004 and RS2005, and nonpathogenic E. coli found in RS2001, RS2002, dan RS2003. Salmonella spp. is not found in food handlers rectal swab of hospital in Yogyakarta.
Diversity of Bryophytes in Plaosan Temple, Central Java Ninda Nur Amalia; Heri Sujadmiko
Berkala Ilmiah Biologi Vol 13 No 3 (2022)
Publisher : Fakultas Biologi Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/bib.v13i3.4944

Abstract

Bryophyte grows on various substrates, one of which is rock. Plaosan Temple is composed of andesite stone which has the potential to experience weathering caused by bryophyte. This research aims to determine the diversity of bryophyte, types and classifications of bryophyte, and to determine the bryophyte which are widely and evenly distributed in the rocks of Plaosan Temple, Central Java. Bryophytes samples were collected using the dry herbarium technique and identified at the Plant Systematics Laboratory, Faculty of Biology, UGM. Vegetation analysis was carried out using the quadrat method of 15 x 15 cm plots which were randomly distributed in 52 plots. The environmental parameters measured were air temperature, humidity, and light intensity. Species diversity was analyzed using Shannon-Wiener index. The results obtained 11 types of bryophytes grouped into two classes, namely Hepaticopsida and Bryopsida, including Barbula indica (Hook.) Spreng., Brachymenium exile (Dozy & Molk.) Bosch & Lac., Brachymenium indicum (Dozy & Molk.) Bosch & Lac., Cyathodium smaragdinum Schiffn., Fissidens atroviridis Besch., Fissidens virens Thwait. & Mitt., Fissidens zollingeri Mont., Gymnostomiella vernicosa (Hook.) Fleisch., Hyophila involuta (Hook.) A. Jaeg., Philonotis hastata (Duby) Wijk & Margad., and Riccia hasskarliana Steph. Bryophyte that is widely and evenly distributed is Barbula indica. Keywords: bryophyte; diversity; andesite; Plaosan temple