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Arsenic-Redox Transformation and Plant Growth Promotion by Purple Nonsulfur Bacteria Rhodopseudomonas palustris CS2 and Rhodopseudomonas faecalis SS5
المؤلفون المشاركون
Batool, Kanza
tuz Zahra, Fatima
Rehman, Yasir
المصدر
العدد
المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2017-03-12
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
Arsenic (As) is a well-known toxic metalloid found naturally and released by different industries, especially in developing countries.
Purple nonsulfur bacteria (PNSB) are known for wastewater treatment and plant growth promoting abilities.
As-resistant PNSB were isolated from a fish pond.
Based on As-resistance and plant growth promoting attributes, 2 isolates CS2 and SS5 were selected and identified as Rhodopseudomonas palustris and Rhodopseudomonas faecalis, respectively, through 16S rRNA gene sequencing.
Maximum As(V) resistance shown by R.
faecalis SS5 and R.
palustris CS2 was up to 150 and 100 mM, respectively.
R.
palustris CS2 showed highest As(V) reduction up to 62.9% (6.29±0.24 mM), while R.
faecalis SS5 showed maximum As(III) oxidation up to 96% (4.8±0.32 mM), respectively.
Highest auxin production was observed by R.
palustris CS2 and R.
faecalis SS, up to 77.18±3.7 and 76.67±2.8 μg mL−1, respectively.
Effects of these PNSB were tested on the growth of Vigna mungo plants.
A statistically significant increase in growth was observed in plants inoculated with isolates compared to uninoculated plants, both in presence and in absence of As.
R.
palustris CS2 treated plants showed 17% (28.1±0.87 cm) increase in shoot length and 21.7% (7.07±0.42 cm) increase in root length, whereas R.
faecalis SS5 treated plants showed 12.8% (27.09±0.81 cm) increase in shoot length and 18.8% (6.9±0.34 cm) increase in root length as compared to the control plants.
In presence of As, R.
palustris CS2 increased shoot length up to 26.3% (21.0±1.1 cm), while root length increased up to 31.3% (5.3±0.4 cm), whereas R.
faecalis SS5 inoculated plants showed 25% (20.7 ± 1.4 cm) increase in shoot length and 33.3% (5.4 ± 0.65 cm) increase in root length as compared to the control plants.
Bacteria with such diverse abilities could be ideal for plant growth promotion in As-contaminated sites.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Batool, Kanza& tuz Zahra, Fatima& Rehman, Yasir. 2017. Arsenic-Redox Transformation and Plant Growth Promotion by Purple Nonsulfur Bacteria Rhodopseudomonas palustris CS2 and Rhodopseudomonas faecalis SS5. BioMed Research International،Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1138003
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Batool, Kanza…[et al.]. Arsenic-Redox Transformation and Plant Growth Promotion by Purple Nonsulfur Bacteria Rhodopseudomonas palustris CS2 and Rhodopseudomonas faecalis SS5. BioMed Research International No. 2017 (2017), pp.1-8.
https://search.emarefa.net/detail/BIM-1138003
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Batool, Kanza& tuz Zahra, Fatima& Rehman, Yasir. Arsenic-Redox Transformation and Plant Growth Promotion by Purple Nonsulfur Bacteria Rhodopseudomonas palustris CS2 and Rhodopseudomonas faecalis SS5. BioMed Research International. 2017. Vol. 2017, no. 2017, pp.1-8.
https://search.emarefa.net/detail/BIM-1138003
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1138003
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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