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Topic Review
Ludwigia decurrens Walter
Ludwigia decurrens Walter is a dicotyledonous plant belonging to the family Onagraceae. It is native to Central Eastern USA but has been spreading quickly and has naturalized in aquatic and riparian ecosystems (including rice paddy fields) in many countries; therefore, it is now considered an invasive noxious weed. L. decurrens is highly competitive with rice and causes a significant reduction in rice production. The objective of the present study was to evaluate the efficacy of the herbicide penoxsulam for the control of L. decurrens in rice fields. The seeds of L. decurrens were collected from four villages in Indonesia, and penoxsulam was applied to L. decurrens in seven dosages (0, 2.5, 5, 10, 20, 40, and 80 g a.i. /ha) 3 weeks after seed sowing. The plant populations from Hegarmanah, Jatisari, and Joho showed complete mortality at the recommended dosage of penoxsulam (10 g a.i. /ha). However, the plants from Demakan grew, flowered, and produced seeds 56 days after treatment with 40 g a.i. /ha of penoxsulam. The resistance index value of the population was 36.06. 
  • 1.2K
  • 26 Sep 2021
Topic Review
Haemophilus influenzae HP1 Bacteriophage
Haemophilus influenzae is an obligate commensal of the upper respiratory tract in humans and may be responsible for upper respiratory tract infections and even meningitis. Seven biologically active H. influenzae dsDNA phages have been currently described: HP1, HP2, HP3, S2A, S2B, S2C, N3 and Mu-like phage φflu. The most studied is the group of HP1/S2 phages. The temperate H. influenzae phage HP1 belongs to the Myoviridae family of phages and infects Rd strains of H. influenzae. HP1 has a head-tail structure. Its genome is about 32 kb long and encodes 41 potential proteins. Early promoters, which control the lysis-versus-lysogeny decision seem to be located toward the 5’ end of the genome. The late promoter is located between orf16 and orf17, and regulates the expression of late genes, including the lys and hol genes, encoding a SAR-endolysin and a pinholin. Endolysin alone is responsible for cell lysis. The control of endolysin activity seems to be related to conformational changes in holin structure. HP1 phages encodes Dam methyltransferase, which role in HP1 life cycle remains unknown.
  • 1.2K
  • 06 Nov 2020
Topic Review
Biostimulants in Plant
Adverse environmental conditions due to climate change, combined with declining soil fertility, threaten food security. Modern agriculture is facing a pressing situation where novel strategies must be developed for sustainable food production and security. Biostimulants, conceptually defined as non-nutrient substances or microorganisms with the ability to promote plant growth and health, represent the potential to provide sustainable and economically favorable solutions that could introduce novel approaches to improve agricultural practices and crop productivity. Current knowledge and phenotypic observations suggest that biostimulants potentially function in regulating and modifying physiological processes in plants to promote growth, alleviate stresses, and improve quality and yield. 
  • 1.2K
  • 23 Jan 2021
Topic Review
Vestigiality
Vestigiality is the retention during the process of evolution of genetically determined structures or attributes that have lost some or all of the ancestral function in a given species. Assessment of the vestigiality must generally rely on comparison with homologous features in related species. The emergence of vestigiality occurs by normal evolutionary processes, typically by loss of function of a feature that is no longer subject to positive selection pressures when it loses its value in a changing environment. The feature may be selected against more urgently when its function becomes definitively harmful, but if the lack of the feature provides no advantage, and its presence provides no disadvantage, the feature may not be phased out by natural selection and persist across species. Examples of vestigial structures (also called degenerate, atrophied, or rudimentary organs) are the loss of functional wings in island-dwelling birds; the human vomeronasal organ; and the hindlimbs of the snake and whale. The human appendix is no longer considered vestigial.
  • 1.2K
  • 24 Oct 2022
Topic Review
Egg Protein
Egg protein is a remarkably abundant source of protein, with an amino acid score of 100 and the highest net protein utilization rate. However, there have been relatively fewer studies investigating the health benefits of egg protein. The available information regarding the health benefits of egg proteins based on human studies has been summarized. In particular, studies conducted on the characteristics of egg whites, as they are high in pure protein, have reported their various health functions, such as increases in muscle mass and strength enhancement, lowering of cholesterol, and visceral fat reduction. 
  • 1.2K
  • 10 Aug 2022
Topic Review
Nucleosides and Nucleotides
Nucleotides fulfill many essential functions in plants. Compared to non-plant systems, these hydrophilic metabolites have not been adequately investigated in plants, especially the less abundant nucleotide species such as deoxyribonucleotides and modified or damaged nucleotides. Until recently, this was mainly due to a lack of adequate methods for in-depth analysis of nucleotides and nucleosides in plants.
  • 1.2K
  • 16 Apr 2021
Topic Review
Natural Dibenzo-α-pyrone: Friends or Foes?
Dibenzo-α-pyrone (DAP) is the basic scaffold of a group of naturally occurring chemicals. From one angle, the gastrointestinal metabolites urolithins are regarded as beneficial, while from the other, the emerging mycotoxin alternariol and related fungal metabolites are evaluated critically with regards to potential hazardous effects. 
  • 1.2K
  • 20 Dec 2021
Topic Review
Alternative Splicing
Alternative splicing (AS) is a critical post-transcriptional regulatory mechanism used by more than 95% of transcribed human genes and responsible for structural transcript variation and proteome diversity.
  • 1.2K
  • 18 Mar 2021
Topic Review
Polyphenolic Compounds in Wine/Beer
Phenolic compounds present in beer and wine have shown high antioxidant and anti-inflammatory features, and in the last decades beneficial effects on human health due to moderate beer and wine consumption have been indicated by many research studies. Due to the different used raw material and technological processes, there are differences between wine and beer in the presence, as well in the concentrations, of phenolic substances. It was shown that some polyphenol classes can only be found in beer (chalcones and flavanones) and other are mainly found in wine (stilbenes, proanthocyanidins), while flavanols and flavan-3-ols are found in similar concentrations in both beverages. Both beverages represent natural fermented products, and minor changes within the growth of raw material and clime conditions, as well as within the used technology, will impact the final chemical composition of these products. The brewing industry and winemakers put a lot of effort in obtaining a final product that will be unique, with more potent antioxidant activity, and with satisfying sensory characteristics, to attract consumers, who are now more aware of alcoholic beverages influence on human health. From the winemaker's point of view, the aim is to produce wine that will satisfy all required safety conditions, and with this added value, and at the same time attempting not to increase the costs. In the brewing industry, besides changing hopping regimes and influencing other technology phases, craft breweries that have expanded rapidly all over the world, are doing their best to produce authentic beer, in terms of flavor and in same time improving the antioxidant capacity. Both industries should consider changes in clime conditions, and research on new modified technologies is always an open issue, like the use of some by-products and additives within the production.
  • 1.2K
  • 18 Nov 2020
Topic Review
Multi-Micronutrients Deficiency in Agricultural Soils
The deficiencies of nutrient elements and inappropriate nutrient management practices in agricultural soils of the world is one of the reasons for low crop productivity, reduced nutritional quality of agricultural produce, and animal/human malnutrition.
  • 1.2K
  • 06 Sep 2021
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