{"id":"https://openalex.org/W7203941435","doi":"https://doi.org/10.15294/biosaintifika.v18i2.35980","title":"Antibacterial Activity and Salinity Tolerance of Endophytic Bacteria Isolated from Marine Macroalgae","display_name":"Antibacterial Activity and Salinity Tolerance of Endophytic Bacteria Isolated from Marine Macroalgae","publication_year":2026,"publication_date":"2026-08-20","ids":{"openalex":"https://openalex.org/W7203941435","doi":"https://doi.org/10.15294/biosaintifika.v18i2.35980"},"language":"en","primary_location":{"id":"doi:10.15294/biosaintifika.v18i2.35980","doi":"https://doi.org/10.15294/biosaintifika.v18i2.35980","is_oa":true,"landing_page_url":"https://doi.org/10.15294/biosaintifika.v18i2.35980","pdf_url":null,"source":{"id":"https://openalex.org/S2764832501","display_name":"Biosaintifika Journal of Biology & Biology Education","issn_l":"2085-191X","issn":["2085-191X","2338-7610"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/P4310315184","host_organization_name":"State University of Semarang","host_organization_lineage":["https://openalex.org/P4310315184"],"host_organization_lineage_names":["State University of Semarang"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biosaintifika: Journal of Biology & Biology Education","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.15294/biosaintifika.v18i2.35980","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5032583079","display_name":"Umi Fatmawati","orcid":"https://orcid.org/0000-0002-8697-3780","observed_orcids":["https://orcid.org/0000-0002-8697-3780"]},"institutions":[{"id":"https://openalex.org/I119896790","display_name":"Sebelas Maret University","ror":"https://ror.org/021hq5q33","country_code":"ID","type":"education","lineage":["https://openalex.org/I119896790"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Umi Fatmawati","raw_affiliation_strings":["Biology Education Study Program, Faculty of Teacher Training and Education,  Universitas Sebelas Maret.  Jl. Ir. Sutami No 36A , Kentingan, Surakarta, 57126, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biology Education Study Program, Faculty of Teacher Training and Education,  Universitas Sebelas Maret.  Jl. Ir. Sutami No 36A , Kentingan, Surakarta, 57126, Indonesia","institution_ids":["https://openalex.org/I119896790"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138018031","display_name":"Muhammad Ilham Faturrahim","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I119896790","display_name":"Sebelas Maret University","ror":"https://ror.org/021hq5q33","country_code":"ID","type":"education","lineage":["https://openalex.org/I119896790"]}],"countries":["ID"],"is_corresponding":false,"raw_author_name":"Muhammad Ilham Faturrahim","raw_affiliation_strings":["Biology Education Study Program, Faculty of Teacher Training and Education,  Universitas Sebelas Maret.  Jl. Ir. Sutami No 36A , Kentingan, Surakarta, 57126, Indonesia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Biology Education Study Program, Faculty of Teacher Training and Education,  Universitas Sebelas Maret.  Jl. Ir. Sutami No 36A , Kentingan, Surakarta, 57126, Indonesia","institution_ids":["https://openalex.org/I119896790"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5018569661","display_name":"Maria Indah Purnamasari","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I23732399","display_name":"Montana State University","ror":"https://ror.org/02w0trx84","country_code":"US","type":"education","lineage":["https://openalex.org/I23732399","https://openalex.org/I4210126032"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Maria Indah Purnamasari","raw_affiliation_strings":["Departement of Plant Science and Plant Pathology, Montana State University, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departement of Plant Science and Plant Pathology, Montana State University, USA","institution_ids":["https://openalex.org/I23732399"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1500000,"currency":"IDR","value_usd":98},"apc_paid":{"value":1500000,"currency":"IDR","value_usd":98},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.67229106,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"18","issue":"2","first_page":"371","last_page":"380"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10252","display_name":"Microbial Natural Products and Biosynthesis","score":0.7773000001907349,"subfield":{"id":"https://openalex.org/subfields/2402","display_name":"Applied Microbiology and Biotechnology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10252","display_name":"Microbial Natural Products and Biosynthesis","score":0.7773000001907349,"subfield":{"id":"https://openalex.org/subfields/2402","display_name":"Applied Microbiology and Biotechnology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11340","display_name":"Marine Sponges and Natural Products","score":0.13680000603199005,"subfield":{"id":"https://openalex.org/subfields/1305","display_name":"Biotechnology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11390","display_name":"Seaweed-derived Bioactive Compounds","score":0.03480000048875809,"subfield":{"id":"https://openalex.org/subfields/1104","display_name":"Aquatic Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/endophytic-bacteria","display_name":"endophytic bacteria","score":0.9980000257492065},{"id":"https://openalex.org/keywords/seaweed","display_name":"seaweed","score":1.0},{"id":"https://openalex.org/keywords/antibacterial-activity","display_name":"antibacterial activity","score":0.9959999918937683},{"id":"https://openalex.org/keywords/salt-tolerance","display_name":"salt tolerance","score":0.996999979019165},{"id":"https://openalex.org/keywords/lysinibacillus-fusiformis","display_name":"Lysinibacillus fusiformis","score":0.9110000133514404},{"id":"https://openalex.org/keywords/bacillus-mojavensis","display_name":"Bacillus mojavensis","score":0.9879999756813049},{"id":"https://openalex.org/keywords/bacillus-stercoris","display_name":"Bacillus stercoris","score":0.906000018119812},{"id":"https://openalex.org/keywords/staphylococcus-aureus","display_name":"Staphylococcus aureus","score":0.9440000057220459},{"id":"https://openalex.org/keywords/escherichia-coli","display_name":"Escherichia coli","score":0.9359999895095825},{"id":"https://openalex.org/keywords/bacillus-subtilis","display_name":"Bacillus subtilis","score":0.9150000214576721},{"id":"https://openalex.org/keywords/bioactive-compounds","display_name":"bioactive compounds","score":0.6039999723434448},{"id":"https://openalex.org/keywords/16s-rrna-gene-identification","display_name":"16S rRNA identification","score":0.8989999890327454}],"concepts":[{"id":"https://openalex.org/C523546767","wikidata":"https://www.wikidata.org/wiki/Q10876","display_name":"Bacteria","level":2,"score":0.8033000230789185},{"id":"https://openalex.org/C2780104969","wikidata":"https://www.wikidata.org/wiki/Q4774530","display_name":"Antibacterial activity","level":3,"score":0.7515000104904175},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.7310000061988831},{"id":"https://openalex.org/C42062724","wikidata":"https://www.wikidata.org/wiki/Q1209205","display_name":"16S ribosomal RNA","level":3,"score":0.6958000063896179},{"id":"https://openalex.org/C129513315","wikidata":"https://www.wikidata.org/wiki/Q179615","display_name":"Salinity","level":2,"score":0.6568999886512756},{"id":"https://openalex.org/C89423630","wikidata":"https://www.wikidata.org/wiki/Q7193","display_name":"Microbiology","level":1,"score":0.5407999753952026},{"id":"https://openalex.org/C2779150676","wikidata":"https://www.wikidata.org/wiki/Q2091405","display_name":"Bacillus (shape)","level":2,"score":0.5121999979019165},{"id":"https://openalex.org/C4937899","wikidata":"https://www.wikidata.org/wiki/Q68541106","display_name":"Antimicrobial","level":2,"score":0.47519999742507935},{"id":"https://openalex.org/C547475151","wikidata":"https://www.wikidata.org/wiki/Q25419","display_name":"Escherichia coli","level":3,"score":0.4747999906539917},{"id":"https://openalex.org/C153568844","wikidata":"https://www.wikidata.org/wiki/Q96392018","display_name":"Marine bacteriophage","level":3,"score":0.45329999923706055},{"id":"https://openalex.org/C2779489039","wikidata":"https://www.wikidata.org/wiki/Q188121","display_name":"Staphylococcus aureus","level":3,"score":0.414000004529953},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.3677000105381012},{"id":"https://openalex.org/C2778039104","wikidata":"https://www.wikidata.org/wiki/Q149088","display_name":"Bacillales","level":4,"score":0.35179999470710754},{"id":"https://openalex.org/C2777272437","wikidata":"https://www.wikidata.org/wiki/Q131238","display_name":"Bacillus subtilis","level":3,"score":0.351500004529953},{"id":"https://openalex.org/C67905577","wikidata":"https://www.wikidata.org/wiki/Q215980","display_name":"Ribosomal RNA","level":3,"score":0.3312999904155731},{"id":"https://openalex.org/C3019249092","wikidata":"https://www.wikidata.org/wiki/Q274493","display_name":"Antibacterial agent","level":3,"score":0.3174000084400177},{"id":"https://openalex.org/C2777525088","wikidata":"https://www.wikidata.org/wiki/Q260335","display_name":"Endophyte","level":2,"score":0.3041999936103821},{"id":"https://openalex.org/C89638049","wikidata":"https://www.wikidata.org/wiki/Q7201546","display_name":"Plant use of endophytic fungi in defense","level":2,"score":0.2791000008583069},{"id":"https://openalex.org/C31903555","wikidata":"https://www.wikidata.org/wiki/Q1637030","display_name":"Food science","level":1,"score":0.2678999900817871},{"id":"https://openalex.org/C2779518903","wikidata":"https://www.wikidata.org/wiki/Q857288","display_name":"Gram-positive bacteria","level":3,"score":0.2651999890804291},{"id":"https://openalex.org/C11636898","wikidata":"https://www.wikidata.org/wiki/Q390585","display_name":"Agar diffusion test","level":4,"score":0.2549999952316284}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.15294/biosaintifika.v18i2.35980","doi":"https://doi.org/10.15294/biosaintifika.v18i2.35980","is_oa":true,"landing_page_url":"https://doi.org/10.15294/biosaintifika.v18i2.35980","pdf_url":null,"source":{"id":"https://openalex.org/S2764832501","display_name":"Biosaintifika Journal of Biology & Biology Education","issn_l":"2085-191X","issn":["2085-191X","2338-7610"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/P4310315184","host_organization_name":"State University of Semarang","host_organization_lineage":["https://openalex.org/P4310315184"],"host_organization_lineage_names":["State University of Semarang"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biosaintifika: Journal of Biology & Biology Education","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:72850da3ad344f509e87042cf2880594","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/72850da3ad344f509e87042cf2880594","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Biosaintifika: Journal of Biology & Biology Education, Vol 18, Iss 2 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.15294/biosaintifika.v18i2.35980","doi":"https://doi.org/10.15294/biosaintifika.v18i2.35980","is_oa":true,"landing_page_url":"https://doi.org/10.15294/biosaintifika.v18i2.35980","pdf_url":null,"source":{"id":"https://openalex.org/S2764832501","display_name":"Biosaintifika Journal of Biology & Biology Education","issn_l":"2085-191X","issn":["2085-191X","2338-7610"],"is_oa":true,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"host_organization":"https://openalex.org/P4310315184","host_organization_name":"State University of Semarang","host_organization_lineage":["https://openalex.org/P4310315184"],"host_organization_lineage_names":["State University of Semarang"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Biosaintifika: Journal of Biology & Biology Education","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","score":0.504800021648407,"id":"https://metadata.un.org/sdg/3"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W7213422030","https://openalex.org/W4401484921","https://openalex.org/W4310474127","https://openalex.org/W3034562271","https://openalex.org/W2405099671","https://openalex.org/W2900263484","https://openalex.org/W7064333535","https://openalex.org/W2997823907","https://openalex.org/W7048459884","https://openalex.org/W2992504148"],"abstract_inverted_index":{"Marine":[0],"organisms,":[1],"especially":[2,38],"macroalgae,":[3,37],"are":[4],"unique":[5,16],"microhabitats":[6,17],"for":[7,18,257],"endophytic":[8,19,33,53,68,244],"bacteria":[9,20,34,54,245],"that":[10,21,78,134,193,216,243],"have":[11],"the":[12,30,60,75,83,93,102,119,138,165,222,279],"potential":[13,62,76],"to":[14,51,73,198],"provide":[15],"can":[22],"produce":[23,79],"bioactive":[24],"compounds":[25,81],"with":[26,42,112,148,175,210,221,230,237,267],"antimicrobial":[27],"activity.":[28],"However,":[29],"exploration":[31],"of":[32,66,101,118,151,178,253,282],"from":[35,55,246],"marine":[36,283],"those":[39],"directly":[40],"associated":[41],"host":[43],"tissues,":[44],"remains":[45],"relatively":[46],"limited.":[47],"This":[48,70,240,264],"study":[49,71,241,265],"aims":[50,72],"isolate":[52,135,194,217,226],"various":[56],"macroalgae":[57,247],"and":[58,63,128,145,156,172,183,233,250,270,278],"explore":[59],"antibacterial":[61,80,87,140,255],"salinity":[64,99],"resistance":[65,189],"these":[67],"isolates.":[69],"identify":[74],"isolates":[77,104,120],"at":[82,201],"molecular":[84],"level.":[85],"The":[86,98,131],"activity":[88,141,168],"was":[89,105,121,196],"qualitatively":[90],"evaluated":[91],"using":[92],"Kirby\u2013Bauer":[94],"disk":[95],"diffusion":[96],"method.":[97],"tolerance":[100],"bacterial":[103],"assessed":[106],"by":[107,273],"growing":[108],"them":[109],"on":[110,169],"media":[111],"varying":[113],"NaCl":[114,205],"concentrations.":[115],"Molecular":[116,207],"identification":[117,208],"performed":[122],"through":[123],"16S":[124,211],"rRNA":[125,212],"gene":[126,213],"amplification":[127],"sequence":[129],"analysis.":[130],"results":[132,191,209],"showed":[133,164,192,215],"H3":[136,218],"had":[137],"highest":[139,166],"against":[142],"Bacillus":[143,231,238],"subtillis":[144],"Staphylococcus":[146],"aureus,":[147],"inhibition":[149,176],"zones":[150,177],"28.9":[152],"+":[153,158,180,185],"2.3":[154],"mm":[155,182],"26.2":[157],"4.36":[159],"mm,":[160],"respectively.":[161],"Isolate":[162],"R1A":[163,195,227],"inhibitory":[167],"S.":[170],"aureus":[171],"Escherichia":[173],"coli,":[174],"25":[179],"1.08":[181],"35":[184],"2.9":[186],"mm.":[187],"Salinity":[188],"test":[190],"able":[197],"grow":[199],"well":[200],"a":[202],"10%":[203],"(w/v)":[204],"concentration.":[206],"analysis":[214],"has":[219,228,235],"similarities":[220,229,236],"species":[223],"Lysinibacillus":[224],"fusiformis,":[225],"mojavensis,":[232],"R2C":[234],"stercosis.":[239],"suggests":[242],"represent":[248],"promising":[249],"sustainable":[251,280],"sources":[252],"novel":[254],"agents":[256],"pathogen":[258],"control":[259],"in":[260],"high-salinity":[261],"aquaculture":[262],"systems.":[263],"aligns":[266],"SDG":[268,271],"3":[269],"14":[272],"supporting":[274],"human":[275],"health":[276],"initiatives":[277],"utilization":[281],"biodiversity.":[284]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-08-22T00:00:00"}