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Nature delights us with a great variety of colors that result from the reflection of a particular wavelength of light from an object. Colors are important to all biologic organisms (that is, microorganisms, plants, and animals) because they are crucial for camouflage and protection, metabolism, sexual behavior, and communication.

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Endogenous plant pararetroviruses (EPRVs) were identified as integrated counterparts of most members of the plant virus family Caulimoviridae and represent repetitive elements that are ubiquitous in the plant kingdom. They are often located in pericentromeric regions of plant chromosomes in the vicinity of retrotransposon sequences. Depending on their structure and sequence integrity, some

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The suitability of bud manipulation technique as an alternative to tissue culture in the regeneration of healthy planting material for farmers was investigated from May to August , at the University of Cape Coast. The bud manipulation technique was carried out where the apical meristem of the corm was cut through to remove apical dominance effect.

Frequency of square - wave pulsed light from a phosphor - converted white LED module affects the light - receiving posture of cos lettuce plants. Author: Kazuhiro Fujiwara. Japan. PB004. 226. The effect of different LED light on growth and anthocyanin of hydroponic Red Oak lettuce in a close system. Author: Pansiri Bungthong. Thailand

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The seeds of all these plants were planted and grown in the greenhouse at the University of Georgia with the temperatures set at 30 °C/25 °C (day/night) and a photoperiod at 12 h light/12 h dark. DNAs were extracted from leaves using a cetyltrimethylammonium bromide method. Plant genome sequences and datasets

How endogenous plant pararetroviruses shed light on Musa evolution. Duroy Pierre-Olivier, Perrier Xavier, Laboureau Nathalie, Jacquemoud-Collet Jean-Pierre, Iskra

The effects of different concentrations cytokinins on the in vitro multiplication of plantain (Musa sp.) Biotechnology 9 3 343 347 29 Medford J. Horgan R. El-Sawi Z. Klee H. J. Alterations of endogenous cytokinins in transgenic plants using a Chimeric lsopentenyl Transferase gene Plant Cell 1989 1 403 413 30 Sul I. I. I. W. Korban S. S. Effects of salt formulations, carbon sources

Introduction. During the past few years, the belief that plant viruses, unlike many of their bacterial and animal counterparts, do not invade host chromosomes has been overturned by several independent findings of endogenous viral sequences in diverse plant species (Hull et al., 2000).Sequences derived from both groups of plant DNA viruses, the single-stranded DNA

This evasion of silencing likely contributes to the persistence of pararetroviruses in banana plants.IMPORTANCE: We report that DNA pararetroviruses in Musa acuminata banana plants are able to evade DNA cytosine methylation and transcriptional gene silencing, despite being targeted by the host silencing machinery generating abundant 21- to 24-nucleotide short interfering RNAs.

The discovery of an endogenous lentivirus, PSIV, in the genome of prosimian primates (namely, Malagasy lemurs) helped to shed light on the origin of a second lentiviral accessory gene. This gene, called orf2 (see the figure), shows substantial sequence similarity to the 3 end of the

Endogenous viruses: Connecting recent and ancient viral evolution. Download. Related Papers. Paleovirology: The Study of Endogenous Viral Elements. By Amr Aswad and Aris Katzourakis. Identification of an ancient endogenous retrovirus, predating the divergence of the placental mammals.

The K m of this system corresponds to a concentration of 0.096 μL L-1 in the gaseous phase which corresponds well with values for endogenous ethylene concentrations in the air spaces of plant tissues (Beyer and Sundin, 1978). The first studies using partially purified enzyme preparation of ethylene oxidase was carried out by Dodds et al. (1979).

Greenhouse plants were grown in 12–14 h light at 22–25°C and fertilized with ‘Osmocote Exact’ (Scotts International, B.V. Heerlen, The Netherlands) for long growth periods. The plants were trimmed every 4 weeks. For tissue culture, petunia seeds were surface sterilized. Plants were then grown in 16 h light at 25°C and 60% humidity.

How endogenous plant pararetroviruses shed light on Musa evolution. Ann Bot. 117: 625-41. doi: 10.1093/aob/mcw011. Fuentes A, Carlos N, Ruiz Y, Callard D, Sánchez Y, Ochagavía ME, Seguin J, Malpica-López N, Hohn T, Lecca MR, Pérez R, Doreste V, Rehrauer H, Farinelli L, Pujol M, Pooggin MM. 2016. Field Trial and Molecular Characterization of

Jun 07,  · In the past 2 decades, the discovery of a new class of small RNAs, known as tRNA-derived fragments (tRFs), shed light on a new layer of regulation implicated in many biological processes. tRFs originate from mature tRNAs and are classified according to the tRNA regions that they derive from, namely 3′tRF, 5′tRF, and tRF-halves. Additionally, another tRF subgroup deriving from tRNA

Light is known to excite photosensitizers (PS) to produce cytotoxic reactive oxygen species (ROS) in the presence of oxygen. This modality is attractive for designing control measures against animal diseases and pests. Many PS have a proven safety record. Also, the ROS cytotoxicity selects no resistant mutants, unlike other drugs and pesticides. Photodynamic therapy (PDT) refers to the use of

Transgenic Plant Journal ©2007 Global Science Books Bananas and Plantains (Musa spp.): Transgenics and Biotechnology Leena Tripathi1* • Jaindra Nath Tripathi1 • Irie Vroh-Bi2 1 International Institute of Tropical Agriculture (IITA); PO Box 7878, Kampala, Uganda 2 International Institute of Tropical Agriculture, PMB 5320, Ibadan, Nigeria Corresponding author: * [email protected]