Type 3 (T3) effector proteins, secreted by nitrogen-fixing rhizobia with a bacterial T3 secretion system, affect the nodulation of certain host legumes. The open reading frame y4lO of Rhizobium sp. strain NGR234 encodes a protein with sequence similarities to T3 effectors from pathogenic bacteria (the YopJ effector family). Transcription studies showed that the promoter activity of y4lO depende...

Tephrosia purpurea is a species of flowering plant in the pea family, Fabaceae, which has a pantropical distribution. According to Ayurveda, the plant is anthelmintic, alexiteric, restorative, and antipyretic; it is used in the treatment of leprosy, ulcers, asthma, and tumors, as well as diseases of the liver, spleen, heart, and blood. A decoction of the roots is given in dyspepsia, diarrhea, r...

Tephrosia purpurea, (Syn: Galega purpurea, Linn.; Family: Fabaceae) is locally known as Bansa (Punjabi), Sarphunka (Hindi) and Jangli kulthi (Sindhi). It grows wild throughout Indo-Pak-Bangla Desh subcontinent on hard and stony grounds (1-3). It is branched and sub-erect herbaceous perennial plant. The plants are propagated through seeds (4, 5). Phytochemical investigations revealed the presenc...

BACKGROUND Napoleona vogelii is used in traditional medicine for cancer management. AIM The study was conducted to evaluate the antigenotoxic and antioxidant activities of methanol stem bark extract of N. vogelii in male Sprague Dawley rats. MATERIALS AND METHOD Thirty male Sprague Dawley rats were randomly divided into group 1 (control) administered 10 mL/kg distilled water, groups 2 and 3...

Rhizobium sp. NGR234 has the largest capacity to nodulate legumes of any soil bacterium known. Its genome comprises three replicons: a 536 kb symbiotic plasmid, a c.a. 2,000 kb mega-plasmid, and a 3,700 kb chromosome. Sequencing the 536 kb plasmid, pNGR234a showed that apart from nodE, nodG, and nodPQ, most Nod-factor biosynthetic genes are plasmid-borne, and regulated by a number of transcript...

In Egypt, the seed and pollen grain morphology of genus Tephrosia Pers. were studied using light scanning electron microscopy. Qualitative quantitative characters seeds grains are presented. The data suggest that several morphological can distinguish taxa Tephrosia. Based on UPGMA clustering analysis PCA, three main clades recognized: Clade A comprising T. kassasii, clade B apollinea, purpurea,...