Common bean (Phaseolus vulgaris L.) is an important crop in the world that forms root nodules with diverse rhizobia. Aiming to learning the rhizobial communities associated with common bean in the black soil of Northeast China, 79 rhizobia were isolated from root nodules of two host varieties (Cuican and Jiadouwang) grown in two sites of blackland, and were characterized by comparative sequence analyses of 16S rRNA, recA, atpD, nodC, nifH genes and whole genome. As results, Rhizobium indigoferae, R. anhuiense and R. croatiense as minor groups and three dominant novel Rhizobium species were identified based on their ANI and DDH values to the type strains of relative species. This community composition of rhizobia associated with common bean in the tested black soils was unique. Despite their different species affiliation, all of them were identified into the symbiovar phaseoli according to the phylogenies of symbiotic genes (nodC and nifH). While the discrepancies found in nodC and nifH
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Practical and theoretical advancements have not caught pace with rising scientific researches in the rapidly emerging economy undertaking a shift to a more sustainable economy, particularly green economy. After the UN adopted the 2030 Agenda for Sustainable Development, there has been a surge in interest in the green economy among academics around the world, and the literature on the issue is proliferating. This paper adopts the methodology of systematic review and thematic analysis to summarize the relevant literature on areas related to the theme of green economy. The literature was obtained from the Web of Science database and the literature was analyzed using VOSviewer as well as the R language to couple the literature by keywords, country, affiliation, author, publication. The findings of the current paper show that the green economy has received more academic attention from scholars after 2016. The green economy is relatively leading in Asia and Europe. In the context of climate