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Lead (Pb)-Resistant Bacteria Improve Brassica chinensis Biomass and Reduce Pb Concentration in Pb-Contaminated Soil

Journal of Tropical Biodiversity and Biotechnology · Vol. 9 No. 1 (2024)

DOI
10.22146/jtbb.86174
ISSN
2540-9581, 2540-9573
Terbit
2024-02-05
Penerbit
Universitas Gadjah Mada
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

Applications of inorganic fertilisers and pesticides frequently increase lead (Pb) content in the soil and food crops. This study aims to isolate Pb-resistant bacteria and test the isolated bacteria in reducing Pb concentration and increasing biomass production of Brassica chinensis on Pb-contaminated soil. Soil and plant samples were collected from agricultural land in Batu City, East Java, Indonesia. The isolated bacteria were tested for Pb resistance and then characterised according to 16S rRNA Sequence. A pot trial with a completely randomised block design consisting of 9 treatments and 3 replications was set to determine the effect of Pb-resistant bacteria inoculation on Pb residue, plant growth, and soil nutrients. The result showed that the isolated Pb-resistant bacteria were Bacillus wiedmannii and Bacillus altitudinis. The bacteria were resistant to Pb up to 10,000 mg/L PbNO3. Inoculation of the bacteria increased B. chinensis growth and biomass production, namely increasing the number of leaves (12%) and dry weight (35%). Also, the bacteria reduced Pb residue in the soil by up to 88%. Moreover, soil essential nutrients such as total nitrogen, available phosphorus, and exchangeable potassium increased (12%, 73%, and 200%, respectively) after the application of Pb-resistant bacteria. The bacteria have the potential for bioremediation of Pb-contaminated soils on a large scale due to the bacteria prevent Pb uptake by food crops such as B. chinensis by reducing Pb content in the soil, which is good for food safety and environmental sustainability.

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  • University of Brawijaya
  • Universitas Islam Malang
  • National Nuclear Energy Agency of Indonesia
  • Parahyangan Catholic University
  • Muhammadiyah University of Makassar
  • Lampung University
  • University of Palangka Raya
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Rekan penulisOrganisasiArtikel bersama
Eko HandayantoUniversity of Brawijaya4
S SyekhfaniAfiliasi tidak diketahui2
Novi Rahmawati SutopoUniversity of Brawijaya2
Budi PrasetyaUniversity of Brawijaya2
Novi ArfaritaUniversitas Islam Malang1
Bambang Edy SiswantoNational Nuclear Energy Agency of Indonesia1
Syamsu Ridzal Indra HadiAfiliasi tidak diketahui1
Sri Rahayu UtamiUniversity of Brawijaya1
Mochtar Lutfi RayesUniversity of Brawijaya1
Soemarno SoemarnoUniversity of Brawijaya1
Novandi Rizky PrasetyaUniversity of Brawijaya1
Sudarto SudartoUniversity of Brawijaya1
Istika NitaUniversity of Brawijaya1
Aditya Nugraha PutraUniversity of Brawijaya1
Erza Aulia AdaraUniversity of Brawijaya1
Mochammad MunirUniversity of Brawijaya1
Neny SukmawatieParahyangan Catholic University1
Kasifah KasifahMuhammadiyah University of Makassar1
A AtekanAfiliasi tidak diketahui1
M FelaniUniversity of Brawijaya1
E.D.I. WilujengUniversity of Brawijaya1
Wahyu NingtyasUniversity of Brawijaya1
Wani Hadi UtomoUniversity of Brawijaya1
Tatik WardiyatiUniversity of Brawijaya1
Moch Yudi ArifinUniversity of Brawijaya1
S. HardianitaUniversity of Brawijaya1
R.M. BosasUniversity of Brawijaya1
Nurul AiniUniversity of Brawijaya1
S SudiarsoUniversity of Brawijaya1
I IdhamAfiliasi tidak diketahui1
Winih Sekaringtyas RamadhaniLampung University1
Nisma Ula Shoumi RahmawatiUniversity of Brawijaya1
Fahrunsyah FahrunsyahMulawarman University1
Retno WilujengAfiliasi tidak diketahui1
Gusti Irya IchrianiUniversity of Palangka Raya1
Budi PurnomoUniversity of Brawijaya1
June Annethe PutinellaUniversitas Pattimura1

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Sumber metadata: OAI-PMH (metadata jurnal) https://jurnal.ugm.ac.id/jtbb/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en-US">Lead (Pb)-Resistant Bacteria Improve Brassica chinensis Biomass and Reduce Pb Concentration in Pb-Contaminated Soil</dc:title>
	<dc:creator>Pertiwi, Beauty Laras Setia</dc:creator>
	<dc:creator>Ustiatik, Reni</dc:creator>
	<dc:creator>Nuraini, Yulia</dc:creator>
	<dc:subject xml:lang="en-US">Agricultural Science; Biotechnology; Ecology; Environmental Science; Soil Science</dc:subject>
	<dc:subject xml:lang="en-US">Bioremediation; Environmental Sustainability; Inorganic Fertilizers; Lead-Resistant Bacteria; Pesticides; Phytoremediation</dc:subject>
	<dc:description xml:lang="en-US">Applications of inorganic fertilisers  and pesticides frequently increase lead (Pb) content in the soil and food crops. This study aims to isolate Pb-resistant bacteria and test the isolated bacteria in reducing Pb concentration and increasing biomass production of Brassica chinensis on Pb-contaminated soil.  Soil and plant samples were collected from agricultural land in Batu City, East Java, Indonesia. The isolated bacteria were tested for Pb resistance and then characterised  according to 16S rRNA Sequence. A pot trial with a completely randomised  block design consisting of 9 treatments and 3 replications was set to determine the effect of Pb-resistant bacteria inoculation on Pb residue, plant growth, and soil nutrients. The result showed that the isolated Pb-resistant bacteria were Bacillus wiedmannii and Bacillus altitudinis. The bacteria were resistant to Pb up to 10,000 mg/L PbNO3. Inoculation of the bacteria increased B. chinensis growth and biomass production, namely increasing the number of leaves (12%) and dry weight (35%).  Also, the bacteria reduced Pb residue in the soil by up to 88%. Moreover, soil essential nutrients such as total nitrogen, available phosphorus, and exchangeable potassium increased (12%, 73%, and 200%, respectively) after the application of Pb-resistant bacteria. The bacteria have the potential for bioremediation of Pb-contaminated soils on a large scale due to the bacteria prevent Pb uptake by food crops such as B. chinensis by reducing Pb content in the soil, which is good for food safety and environmental sustainability. </dc:description>
	<dc:publisher xml:lang="en-US">Universitas Gadjah Mada</dc:publisher>
	<dc:contributor xml:lang="en-US">The study was funded by Faculty of Agriculture, Brawijaya University, through Hibah PNBP FP No 4108.10/UN10.F04/PN/2022.</dc:contributor>
	<dc:date>2024-02-05</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US"></dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.ugm.ac.id/jtbb/article/view/86174</dc:identifier>
	<dc:identifier>10.22146/jtbb.86174</dc:identifier>
	<dc:source xml:lang="en-US">Journal of Tropical Biodiversity and Biotechnology; Vol 9, No 1 (2024): March; jtbb86174</dc:source>
	<dc:source>2540-9581</dc:source>
	<dc:source>2540-9573</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.ugm.ac.id/jtbb/article/view/86174/37882</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/jtbb/article/downloadSuppFile/86174/27400</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/jtbb/article/downloadSuppFile/86174/27401</dc:relation>
	<dc:coverage xml:lang="en-US">Asia</dc:coverage>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:rights xml:lang="en-US">Copyright (c) 2024 Journal of Tropical Biodiversity and Biotechnology</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-sa/4.0</dc:rights>
</oai_dc:dc>