In both short-day and long-day plants, endogenous rhythms apparently are involved in photoperiodic response. One line of the evidence is a rhythmic flowering response to cycle length (1, 3,4, 6,9), and another is the rhythmic effectiveness of light breaks given at different points in very long dark periods (2, 4,6,8, 10). Phlarbitis nil, strain Violet, is an extremely sensitive short-day plant....

Previously we showed that acid invertase activity increased and then decreased rapidly in wounded sweet potato (Ipomoea batatas Liam.) root tissue, and that the tissue contained a heat-stable, proteinaceous inhibitor with a molecular weight of about 19,500 daltons.In response to wounding of sweet potato root tissue, inhibitor activity decreased during the increase in invertase activity but late...

UNLABELLED Proteins isolated from sweet potatoes (Ipomoea batatas) have been shown to possess antidiabetic, antioxidant, and antiproliferative properties. The objective of this study was to chemically optimize a process for extracting proteins from sweet potato peel. The extraction procedure involved mixing peel with saline solvent to dissolve proteins and then precipitating with CaCl(2). Quadr...

Natural products have numerous medicinal applications and play important roles in the biology of the organisms that accumulate them. Flavonoids are one large group of natural products with a diverse number of functions in plants and in human health. The isolates of the flowers of Ipomoea carnea (Family: Convolvulaceae) was screened for wound-healing activity on the male wistar rats by Excision ...

Phylogenetic analysis, using 1455 bp of recent mtDNA (cytochrome b 714 bp, 12S rRNA 376 bp) and nuclear (c-mos 365 bp) sequence from 42 species and 33 genera of Scincidae, confirms Leiolopisma telfairii, now confined to Round island off Mauritius, is a member of the mainly Australasian Eugongylus group of the Lygosominae. Ancient mtDNA (cytochrome b 307 bp, 12S rRNA 376 bp) was also extracted f...

peptic ulcer is one of the most prevalent gastrointestinal disorder, commonly occurs in developed countries. the present work was carried out to evaluate antiulcer effect of ipomoea batatas (l) dietary tuberous roots. the ethanolic extract of ipomoea batatas (eeib) was prepared by dynamic maceration for 7 days at room temperature using 70% ethanol (v/v). the antiulcer activity was evaluated by ...

Photoperiodic induction of flowering in the long-day plant Arabidopsis is mediated by the circadian regulated CONSTANS gene. New evidence suggests that CONSTANS-like genes have a similar role in short-day induction of flowering of rice and Pharbitis.

Background: Tonsillitis is an inflammation of the palatine tonsil that often found in otorhinolaryngology and one world's socio-economic health problems. Streptococcus pyogenes most common bacterial cause tonsillitis, with hydrophobicity phospholipase activity on cell surface has a major effect tonsillitis pathogenicity. Ethanol extract leaves sea bidara (Ziziphus mauritiana) antibacterial impa...

In this article, we elaborate on why the cultivation of Ziziphus is important in arid regions Pakistan and how it can alleviate poverty food insecurity these areas. The recent impact climate change has resulted spread hot dry regions. species could be a solution to income for residents semi-arid Pakistan. Furthermore, are offering extremely nutrient-dense foods. Six found Pakistan, but producti...