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Journal : Jurnal Riset Biologi dan Aplikasinya

Ability Test of IAA (Indole-3-Acetic Acid) Hormone-Producing Endophytic Bacteria from Lamongan Mangrove Fatimah, Fatimah; Lailatul Ayu Fadilah, Risky; Izzatul Millah, Annida; Nurhariyati, Tri; Irawan, Bambang; Affandi, Moch; Rini Nur Izza Zuhri, Afifa; Watamtin Widhiya, Eva; Salsabila, Syarifah; Asrifah Ramly, Zakia
Jurnal Riset Biologi dan Aplikasinya Vol. 4 No. 1 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrba.v4n1.p42-50

Abstract

Most of the plant-associated bacteria can synthesize active biological components of phytohormones such as auxin. This study aimed to examine the potency of 61 endophytic bacteria isolates from the mangroves at Kutang Beach, Lamongan in producing IAA hormone and to identify types of isolates effecting the concentration of IAA, morphological characteristics of isolates, as well as endophytic bacterial species that have the most potential to produce IAA hormone. Screening of endophytic bacteria isolates was performed using the colorimetric method and the production of IAA was carried out using the spectrophotometric method. IAA production by endophytic bacteria was analyzed descriptively and statistically. One-Way ANOVA was employed to determine the effect of the isolate type on the concentration of IAA. The most potential isolates to produce IAA hormone are identified by 16s rRNA gene marker. The screening results showed that 12 isolates of endophytic bacteria have the potential to produce IAA hormones (2.0-9.3 ppm), coded with LMG 7, 15, 31, 32, 43, 53, 54, 55, 56, 57, 62, and 63. The results of the One-Way ANOVA test suggested that the type of isolates did not affect the concentration of IAA produced by endophytic bacteria. The twelve isolates had different morphological characters and those were Gram-positive bacilli with cell sizes ranging from 1.5 µm - 3 µm. The highest concentration of IAA was produced by LMG 15 (9.3 ppm). LMG 15 was identified as Bacillus cereus strain LMG 15, having 99.33% similarity to Bacillus cereus strain IAM 12605.
Isolation and Potency Test of Endophytic Bacteria as Nitrogen Fixer from Mangrove Plant in Lamongan Fatimah, Fatimah; Izzatul Millah, Annida; Lailatul Ayu Fadilah, Risky; Salsabila, Syarifah; Asrifah Ramly , Zakia; Sugiarti , Tipuk; Nurhariyati , Tri; Affandi , Moch
Jurnal Riset Biologi dan Aplikasinya Vol. 4 No. 1 (2022)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jrba.v4n1.p26-33

Abstract

Endophytic bacteria are microorganisms that live in plant tissues and some of them contribute to nitrogen fixation for plants. This study aimed to isolate and identify endophytic bacteria from mangroves of Kutang Beach, Lamongan, which potentially as nitrogen fixing bacteria. Bacterial Isolates were used as candidates for biofertilizers. Leaves samples were taken from 10 sampling points. Bacterial isolation was initiated by sterilizing the surface of the leaves sample and grinding it aseptically. Isolation was carried out with a pour plate method on Nutrient Agar medium. Screening for endophytic bacteria's potential as N-fixing agent was carried out by growing the bacterial isolates on a semi-solid Nitrogen Free Bromothymol Blue (NFB) medium. The isolates that produced a positive reaction with a change in the color of the medium to blue were then subjected to macroscopic (shape, color, elevation, and the edge of the colony) and microscopic observations (Gram stain and bacterial cell measurements). The isolates showed the fastest change in the color of the medium were identified by the molecular marker of the 16S rRNA gene. The data obtained were analyzed descriptively. As many as 20 isolates were obtained from the mangroves of Kutang Lamongan Beach, and ten isolates of twenty potentially as nitrogen-fixing bacteria. The ten nitrogen-fixing bacteria isolates had varying macroscopic characteristics. The microscopic characteristics showed that eight isolates had Gram-positive bacilli, and two isolates were Gram-negative with varying bacterial sizes. Based on the 16S rRNA gene sequence, the most potential of nitrogen-fixing bacteria was LMG II-14 isolate and identified as Paenibacillus alvei LMG II-14 with 99.36% similarity to Paenibacillus alvei strain DSM 29 based on the NCBI database. The ten nitrogen fixing isolates that have been obtained can later be used as candidates for biofertilizer composition, especially Paenibacillus alvei LMG II-14.
Co-Authors A. Bamban Yuuwono Abdul Aziz, Muh Adiba Naufal, Muhammad Afdhilla, Nisa Affandi, Moch afifah, hafni nur Afridayani, Afridayani Afriyani, Dita Agus Gunawan Agus Gunawan Agustiani Safitri, Charina Agustiawan Djoko Baruno Ahadia, Carissa Nur Ahmad Ashraf Amalius Aini, Putri Nur Aji Firmansyah Akbar, Muhammad Fathoni Al Gifari, Tubagus Akhmad Alean Kistiani Hegy Suryana Alexandra Hukom, Alexandra Alfa Narendra aman, mardi Amanda, Tia Ambarwati, Nada ANDAYANI ANDAYANI Andi Akhmad Faisal Andi Alifuddin Angga, Muhammad Anggoro, Azaroby Dwi ANGGRAENI, RITA Anggrelia Jayanti, Ni Putu Nita Anggy Giri Prawiyogi, Anggy Giri Anies, Muh Kasim anik, anik twiningsih Anizaputri, Rizky Sekarini Anniswati R., Isnaini Anugrah, Sultan Ridho Aprilia Ruby Wikarti Apriliani Rafika Dewi Aquis, Angelica Barquilla ARDIANSYAH ARDIANSYAH Ari Apriyansa Ari, Surya Arif Mahya Fanny Arif Widagdo Arif, Yudabbirul arif, yudbbirul Arifin, Harmina Armia Arristo Herbawono Asfia, Rizka Dwi Ashari, Dedy Asih Mardati, Hanum Hanifa Sukma Asrifah Ramly , Zakia Asrifah Ramly, Zakia Atika Indah Sari Aulia Nifa, Asya Ayu Trihardini AZ, Sutiono Azis, Waode Azfari Azizah, Oktavia Trian Azmi, Ahmad Rifqi Azzahra, Zaimah Fira Baihaqi, Ahmad Bambang Irawan /E21207042 Bangkit Wijaya, Barkah Baskara, Wahyu Padma Baskoro, Adji Berliana Fitri, Navandra Berliana, Dina Aprelia Dwi Biha, Mutasya bin Kamaruddin, Mohd Shahrul Bobby Hartono Cahyani, Adinda Cahyaningrum, Desti Christian Carwan Carwan Catur SK Chandra, Ardhieya Ayuregita Chindy Puspa Rinda Cholifah Tur Rosidah Christin Nur Aini Christoffel, Yuda Willem Cika Arini Pramesti Clarissa Elfira Amos Pah D Andayani, Retno Daffar, Pandy Affan Dahlia Permatasari, Dahlia Dani, Anika Rahma Darfial Guslan Dasril Aldo DAVID KURNIAWAN Dedi Setiawan Dela Pradana Sari Desak Putu Eka Pratiwi Desi Ariani Desi Ariani Devera, Renz Dragon Deviana Putri Ari Sandy Dewi, Salamiah Sari Dian Novitasari Dian Putri Kesumastuti Didin Supriadi Dimas Dina Mellita Djoko Baruno, Agustiawan Dumlao, Prince Mark Daes Dwi Haryanta Ega Rismana Eka Purwaningsih Eka Rahmawati Eko, La Elizabeth Elizabeth Elyana Elyana, Elyana Endah, Kiki Erian Fatria Eriska, Peny Erna Septiandini Ernawati Ernawati Erni Erni Estherlyn, Eunike EVIONORA, EVIONORA Fachrezi, Fahmy Fachrul Hidayat, Fachrul Hidayat Fadhillah, Lola Fairuz, Alfiyyah Nur Faizah, Nova Auliatul Fajriati, Nur Fajriyah, Fitri Nur Famularcano, John Lloyd Dumlao Faoz, Muhammad Farokhah, Innalatul fatimah Fatimah Fatma Yudianti, Oktavia Fauzi, Mohammed Suhaimi Mohamed Fauziah, Lely Fauzul Muna Fawaidzah, Icha Zulfiyatul Fazhira, Erra Ferianto Ferianto Fibrianto, Sutrisno Fifian Nafilah, Putri Fikri Fikri Firdatuz Zuhriyah Firdausi, Firosyan Noor Firmansyah Firmansyah Fitri Handayani Fitri Nur, Rosita Fitri Siti Sundari FITRIYAH, NUR Fitriyani, Devita Fransisca Maria F Fransiscus Tantono Putro, Sendy G, Giriati Gantari, Bilqis gipari, abdul Gumilar Mulya, Gumilar Gumilar, Maulana Ahmadi Gustiwa, Risang Abdurrahman Habriani, Habriani Hadi, Nestiyanto Hadi, Saptono Hakim Hakim Halizah, Alifian Nur Hammad, Jehad A.H Hamsia, Waode Handayani, Mita Sari handayani1, ayu Hanifah Nuryani Hanum, Alifah Harahap, Ida Marito Harlinda Syofyan Hartono, Bobby Hasianti, Grace Hasriani Hedy C. Indrani Helan, Yohanes G. Tuba Hera Erisa Herbawono, Arristo Herdiana, Dian Hermawan, Agus Herowati, Desi Indah Herwin -, Herwin HIDAYAH, MAZROATUL Hidayatullah, Gin Gin Farid Hijriyah, Siti Himawan HS husna, ainil Ihsan, Pramudana Iin Hayyu Findy Anggraini Ilham, Khairunnisa Urafa Nur Imam Faisal Hamzah Indah Sari, Atika Indra Irawan Sayuti, Sadip iqbal, muhamad wahyu Irawan, Ninon Oktaviani Irfanto, Ryobi Ita Ainun Jariyah Izzatul Millah, Annida Jailani, M.Syahran Jajuk Herawati Janggur, Oktavianus Ja’far Amiruddin Joko Srimoko, Gandung Jonathan, Miguel Angelo Juan Rizky Mannuel Ledoh juliana putri Jusra, Hella Juwita, Mony Kalis, Maria Christiana Iman Kalisha Almyra Yustania Kaljafa, Fertika Nanda Kamila, Bintana Cahya Kanisa Lutfiah Azahra Karini, Vinanda Syafara Kartyka Nababan Kencana Verawati khoirina, Ulfa Khoirunnisa, Nadia Komala Sari, Novia korn, johanna febriza Koto, M. Alif Hakam Kurnanto, Muhammad Edi kurnia, raka Kuswahyudi La Ode Ichlas Syahrullah Yunus Lailatul Ayu Fadilah, Risky Lailatul Mukarromah Laily Husniyah Mabruroh Laode Abdul Gamsir LARASATI, NADYA Lasmana Fajar Hapriyanto Laura, Putri Lestari, Denia Septi Dwi Lestari, Sri Kusti Ningsih Lingling, Lingling Usli Wargadinata Lisda Amalia Listya, Ariefika Lukmawati, Resti Lulu Widiyant, Alfiana M. Makbul M. Naufal W. M. Ridwan Made Suandika Mahdi, Harsya Manuel, Jackson Schandrath Martiati, Lucy Maryam, Ilmatul Masutiah Susilowati Maulina, Alfiah Meilani, Ni'ma Mella Tria Indrastuti Mendoza, Lester Flores Mintowati Mochamad Thohiron Muamar, Azmi Aprija Muchamad Taufiqurrocham Abdul Aziz Zein Muh Abdul Aziz Muhamad Barnansyah, Rudi Muhamad ilham Muhammad Adiba Naufal Muhammad Andi Prayogi Muhammad Haristo Rahman Muhammad Najib Muhammad Ridha Kasim Muhammad Syaifudin Mujazi Mukmin, Bagus Amirul Munajah, Neneng Munfarida, Tuti Muqimuddin, Muqimuddin Mustika, Nimas Cahyani Nabilla Nur Kasih Kusuma Putri Nadia Wulandari Nadya Dwi Oktafiranda Nasya Saskia Aldila Natasya Diva Naomi NI KOMANG NOVIA KRISNAYANTHI Ni Nyoman Andayani Nik Hazimi Mohammed Foziah Ninda Beny Asfuri Ningtias, Annisa Ni’mawati Ni’mawati Normaya, Sinta Dwi Nova Rijati Novia Agustina Ramadhani Noviyanti, Emmi Nur Asih Triatmaja Nuratika Nurfadhilah Nurfadila, Piska Dwi Nurlinda Safitri Nurwahyudi, Raulindo Putra Ojang Cahyadi Orifansyah, Afif P.D., Yhogga Padafani, Yohanis Pangestu, Jaka Pardede, Johanson Perdiansyah, Ferry Prasetyo, Aldi Pratama, Zikri Sandria Pratikno, Faishal Arham Pratiwi, Amelia Rahma Dwi Pratomo S Prima Astuti Handayani Priscila, Priscila Natalia Kezia Puri Kurniasih Puri Sulistiyawati Purnama, Muhammad Guntur Aji Puspikawati, Septa Indra Puti Rania Larasati Putra, Aldi Febriansa Putri Ardiana Putri Rahmadini Utami Putri, Dinasti Sekar Putri, Mutammimah Putri, Riris Aulya Putri, Wahyu Setia Kuscahyaning RA Seravika Primasari Rachma Zulfata Rachmayanti , An'nisa Raditya, Muhamad Rahayu, Gangsi Suci Rahma Pratiwi, Emy Yunita Rahman, Sidqi Aulia Rahmasari, Erisa Adyati Rahmat Suryo Samudro Rahmawan, Revanza Alif Rahmawati, Claudya Rahmawati, Rahmawati Ramadhan, Bagaskara Ramadhan, M Rafli Ramadhan, Rizani Ramadhan, Syah Rafli Ramadhani, Novia Agustina Raniadi, Divani Ratna Nulinnaja Resza Ajie Okta Sofiana Riady Ibnu Khaldun Rini Nur Izza Zuhri, Afifa Rista Ema Noviyani Ristanti, Putri yuni Rita Sri Silvia Pamuji Riyani, Annisa Defitriana Rizaki, Nazwa Alvani Rizkasari, Elinda rosmalina rosma Rosyidah Jayanti Vijaya, Rosyidah Jayanti Ruchi Hariyanto, Adam Ivan Rudianto Rudianto Rusdaya Basri, Rusdaya S, Sudarman S, Sukisman Sabil, Surena Sadad, Raju Rusdan Nasad Parhan Salah, Hamed Ahmed Yahya ali Salam, Muhammad Ridwan Salsabila Nazhifah Salsabila, Syarifah Samsudin Samsudin Sangadah, Miftahus Sapitri, Novi Saptyawati, Laksmindra Saputra, Bany SAPUTRA, RYAN Saragih, Lorance Sari Lingga Buana, Yunan Sari Narulita Sarinah Triastity Sefiana Putri, Ruly Seran, Delsiana Osi Shofia Permata Sari Sholihah, Zumrotus siagian, petrus Siehoyono, Lintje Sindy, S Siti Faridah Siti Handayani Soimun, Ahmad Sri Ngudi Wahyuni, Sri Ngudi Sri Rwa Jayantini, I Gusti Agung Sri Sugiarti, Sellies Qori Andiani Sudibyo Sudirman L, Sudirman Sugiarti , Tipuk Sugiarti, Rizky Amelia Suherlan, Sharen Salsabila Suliwati, Suliwati Surya Perdana Suryo Handoyo SUSANTI Susanti, Ayudya Susi Andriani, Susi Susilo, Teguh Susilowati, Masutiah Sutapa, Heru Suwarman, S Suwasono, Edy Syah, Gahrudin Syahrial Sidik Syahrin, Rania Alfi Tadeus, Dhey W. tahriza, fitra nabila Tanisri, Roberta Heni Anggit TAREZE, MARIA APRILINE HEGA Taswin, Taswin Taufiq, Tania Thesia Agracia Tamba, Thesia Thohiron, Moch. Tiara, Tiara Toto Haryadi, Toto Tri Handayani Tri Nurhariyati Tungki Armando Utami, Apriliana Prili Utomo Aji, Singgih Wahestri, Risnindya Rachma Wahyu Susiloningsih, Wahyu Wahyuddin Wahyuddin wahyudi, ibnu hary Wahyuni, Meri Sri Wardi, Prayoga Mahaputra Watamtin Widhiya, Eva Weni, Novita Dwi Wenly, Evina Widianto, Fajar Wijaya, Reza Irfan Wijayanto, Adi Wijayanto, Ruli Wina Mustikaati Wirawan, Chintya Hanindhitakirana Yahya, Fatahya Yocing, Panci Yogi Prana Izza yuike silvira Yuliana, Rosa Yunita, Salsabila Firda Yusmawati Yusmawati Zalukhu, Yaniati Zelia, Vanya Zepty, nia Zulfa, Aini Yatuz