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In vitro gluconic acid formation and phosphate solubilization from sparingly soluble phosphorus sources by two strains of the plant growth-promoting bacteria A. brasilense (Cd and 8-I) and one strain of A. lipoferum JA4 were studied. Strains of A. brasilense were capable of producing gluconic acid when grown in sparingly soluble calcium phosphate medium when their usual fructose carbon source is amended with glucose. At the same time, there is a reduction in pH of the medium and release of soluble phosphate. To a greater extent, gluconic acid production and pH reduction were observed for A. lipoferum JA4. For the three strains, clearing halos were detected on solid medium plates with calcium phosphate. This is the first report of in vitro gluconic acid production and direct phosphate solubilization by A. brasilense and the first report of P solubilization by A. lipoferum. This adds to the very broad spectrum of plant growth-promoting abilities of this genus. 相似文献
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Yoav Peled Moshe Hod MD Shmuel Friedman Reuven Mashiach Nirit Greenberg Jardena Ovadia 《黑龙江环境通报》1992,12(2):151-154
Familial congenital pyloric atresia is a rare malformation of the fetal gastrointestinal tract. It usually manifests as maternal polyhydramnios and enlarged fetal stomach on ultrasound scan. Sonographic prenatal diagnosis and management of a pregnancy complicated by familial congenital pyloric atresia are presented. 相似文献
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Bali Kunal Mishra Amit Kumar Singh Sachchidanand Chandra Subhash Lehahn Yoav 《Environmental science and pollution research international》2019,26(12):11940-11950
Environmental Science and Pollution Research - Dust storms affect the primary productivity of the ocean by providing necessary micronutrients to the surface layer. One such dust storm during March... 相似文献