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Closed genomes of commercial inoculant rhizobia provide a blueprint for management of legume inoculation.

Appl Environ Microbiol

January 2025

Legume Rhizobium Sciences, Food Futures Institute, Murdoch University, Murdoch, Western Australia, Australia.

Unlabelled: Rhizobia are soil bacteria capable of establishing symbiosis within legume root nodules, where they reduce atmospheric N into ammonia and supply it to the plant for growth. Australian soils often lack rhizobia compatible with introduced agricultural legumes, so inoculation with exotic strains has become a common practice for over 50 years. While extensive research has assessed the N-fixing capabilities of these inoculants, their genomics, taxonomy, and core and accessory gene phylogeny are poorly characterized.

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Preimplantation genetic diagnosis (PGD) is provided by majority of reproductive clinics in the United States (US), and PGD is used in many in vitro fertilization (IVF) procedures every year. PGD is extensively used to screen for certain genetic abnormalities and aneuploidy in individuals undergoing IVF. Genetic disorders are very prevalent in Saudi Arabia.

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Chromothripsis, a hallmark of cancer, is characterized by extensive and localized DNA rearrangements involving one or a few chromosomes. However, its genome-wide frequency and characteristics in urothelial carcinoma (UC) remain largely unknown. Here, by analyzing single-regional and multi-regional whole-genome sequencing (WGS), we present the chromothripsis blueprint in 488 UC patients.

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The Ralstonia solanacearum Species Complex (RSSC) is the most significant plant pathogen group with a wide host range. It is genetically related but displays distinct biological features, such as restrictive geography occurrence. The RSSC comprises three species: Ralstonia pseudosolanacearum (phylotype I and III), Ralstonia solanacearum (phylotype IIA and IIB), and Ralstonia syzygii (phylotype IV) (Fegan and Prior 2005).

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Background: Chromosomal inversions are underappreciated causes of rare diseases given their detection, resolution, and clinical interpretation remain challenging. Heterozygous mutations in the MEIS2 gene cause an autosomal dominant syndrome characterized by intellectual disability, cleft palate, congenital heart defect, and facial dysmorphism at variable severity and penetrance.

Case Presentation: Herein, we report a Chinese girl with intellectual disability, developmental delay, and congenital heart defect, in whom G-banded karyotype analysis identified a de novo paracentric inversion 46,XX, inv(15)(q15q26.

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