?url_ver=Z39.88-2004&rft_id=1417021059&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ISOLASI+DAN+KARAKTERISASI+Bacillus+sp.+SEBAGAI+KANDIDAT%0D%0APROBIOTIK+DARI+HUTAN+MANGGROVE+DESA+MARGASARI%0D%0ALAMPUNG+TIMUR&rft.creator=+KOMANG+RIMA+%2C+1417021059&rft.subject=QH301+Biology&rft.description=Budidaya+udang+secara+intensif+telah+memunculkan+berbagai+masalah+seperti%0D%0Apenurunan+kualitas+perairan+dan+serangan+berbagai+penyakit+oleh+mikroorganisme%0D%0Apatogen+yang+berdampak+pada+kematian+udang.+Solusi+dari+permasalahan+ini%0D%0Aadalah+dengan+menggunakan+probiotik+sebagai+agen+biokontrol.+Salah+satu%0D%0Asumber+diperolehnya+bakteri+kandidat+probiotik+adalah+dari+ekosistem+hutan%0D%0Amangrove.+Tujuan+dari+penelitian+ini+adalah+mendapatkan+isolat+Bacillus+sp.+dari%0D%0Aberbagai+sampel+biota+mangrove+tersebut+dan+karakteristiknya+untuk+digunakan%0D%0Asebagai+probiotik.%0D%0ABerdasarkan+hasil+penelitian%2C+diperoleh+5+isolat+Bacillus+sp.+sebagai+kandidat%0D%0Aprobiotik+yaitu+KPP212%2C+IP121%2C+UJ131%2C+UJ132%2C+dan+SB141+dari+sampel+biota%0D%0Ahutan+mangrove+Desa+Margasari+Lampung+Timur.+Karakteristik+morfologi+sel%0D%0Aisolat+yaitu+basil+dengan+sifat+gram+positif.+Pada+berbagai+uji+seleksi%0D%0Amenunjukkan+seluruh+isolat+mampu+menghidrolisis+protein%2C+tumbuh+pada+uji%0D%0Acekaman+pH+(4-10)%2C+tumbuh+pada+uji+cekaman+salinitas+dengan+NaCl+0-6%25%2C+tidak%0D%0Abersifat+patogen.+Pada+pengujian+biokimia+seluruh+isolat+mampu+memfermetasi%0D%0Agula%2C+non-motil%2C+dan+bersifat+katalase+negatif+(kecuali+isolat+UJ132).+Pada+uji%0D%0Akepekaan+terhadap+antibiotik+isolat+Bacillus+sp.+KPP212%2C+UJ131%2C+UJ132%2C+SB141%0D%0Asensitif+terhadap+kloramfenikol%2C+asam+nalidiksat%2C+ampisilin%2C+dan+trimetoprim%0D%0Anamun+resistan+terhadap+streptomisin.+Sedangkan+isolat+Bacillus+sp.+IP121%0D%0Asensitif+terhadap+trimetoprim+dan+resistan+terhadap+asam+nalidiksat%2C+ampisilin%2C+dan%0D%0Astreptomisin.%0D%0AKata+Kunci%3A+Bacillus+sp.%2C+hutan+mangrove%2C+dan+probiotik%0D%0A%0D%0Aabstract%0D%0A%0D%0AAn+intensive+shrimp+farming+has+raised+various+issues+such+as+declining+in+water%0D%0Aquality+and+invading+of+various+diseases+by+pathogenic+microorganisms+causing%0D%0Athe+death+of+shrimps.+One+of+solutions+to+this+problem+is+using+probiotic+as%0D%0Abiological+control+for+intance%2C+collected+from+mangrove+ecosystem%2C+one+of+which%0D%0Ais+Lampung+Mangrove+Centre+of+Margasari+Village+East+Lampung.+The+purpose%0D%0Aof+this+research+is+to+obtain+Bacillus+sp.+isolated+from+different+samples+of+the%0D%0Amangrove+communities+and+to+characterize+them+for+probiotics+use.%0D%0AOne+way+to+obtain+bacterial+candidate+for+probiotics+is+selecting+them.+From+this%0D%0Aresearch%2C+5+isolate+Bacillus+sp+.+are+obtained+and+can+be+used+as+probiotics%2C+namely%0D%0AKPP212%2C+IP121%2C+UJ131%2C+UJ132%2C+and+SB141.+Characteristics+morphology+of%0D%0Aprobiotic+candidate+are+gram-positive+cells+and+bacilli.+From+variety+test%0D%0Aconducted+for+these+probiotic+candidate+indicate+that+they+are+able+to+hydrolyze%0D%0Aproteins%2C+grow+at+extreme+pH+(4-10)+and+at+extreme+salinity+from+0-6%25+NaCl%2C+and%0D%0Ahave+non-pathogenic+activity.+From+biochemical+testing+indicates+that+probiotic%0D%0Afrom+isolates+is+capable+of+fermenting+sugars%2C+non-motile%2C+and+no+catalase+activity%0D%0A(except+isolate+UJ132).+In+antibiotics+sensitivity+test%2C+isolate+Bacillus+sp.%2C+such%0D%0Aas%2C+KPP212%2C+UJ131%2C+UJ132%2C+SB141+are+sensitive+to+chloramphenicol%2C+nalidixic%0D%0Aacid%2C+ampicillin%2C+and+streptomycin+but+resistant+to+trimethoprim.+While+isolate%0D%0ABacillus+sp.+IP121+is+sensitive+to+trimethoprim+and+resistant+to+nalidixic+acid%2C%0D%0Aampicillin%2C+and+streptomycin.%0D%0AKeywords%3A+Bacillus+sp.%2C+mangrove+ecosystem%2C+and+probiotics&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2018-05-30&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31883%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31883%2F19%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31883%2F20%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=+++KOMANG+RIMA+%2C+1417021059++(2018)+ISOLASI+DAN+KARAKTERISASI+Bacillus+sp.+SEBAGAI+KANDIDAT+PROBIOTIK+DARI+HUTAN+MANGGROVE+DESA+MARGASARI+LAMPUNG+TIMUR.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F31883%2F