Biochemistry and biosynthesis of insect pigments
... Key words. Chemochromes, colouration, pathway, insect pigment Abstract. The functional role and commercial importance of insect pigments have been studied for well over a century. They are classified into those synthesized by insects, which include anthraquinones, aphins, pterins, tetrapyrroles, omm ...
... Key words. Chemochromes, colouration, pathway, insect pigment Abstract. The functional role and commercial importance of insect pigments have been studied for well over a century. They are classified into those synthesized by insects, which include anthraquinones, aphins, pterins, tetrapyrroles, omm ...
Pdf - Text of NPTEL IIT Video Lectures
... The content of parental D N A in double helix decreases with each generation according to the semi-conservative model of replication. Each parental strand acts as a template for the synthesis of new strand of D N A, which is complementary to the parental strand. Each daughter D N A molecule always ...
... The content of parental D N A in double helix decreases with each generation according to the semi-conservative model of replication. Each parental strand acts as a template for the synthesis of new strand of D N A, which is complementary to the parental strand. Each daughter D N A molecule always ...
Transposon stability and a role for conjugational transfer in adaptive mutability
... presence of the inducer Tet (13). For the episomal allele, the analysis was carried in the presence of streptomycin (Sm), conditions in which conjugal transfer to scavenger cells is required for detection of reversion (10), because the lacI33carrying cells are sensitive to Sm and the scavenger cells ...
... presence of the inducer Tet (13). For the episomal allele, the analysis was carried in the presence of streptomycin (Sm), conditions in which conjugal transfer to scavenger cells is required for detection of reversion (10), because the lacI33carrying cells are sensitive to Sm and the scavenger cells ...
Hereditary hemorrhagic telangiectasia: genetics and molecular
... both genes. Although less common than missense mutations in ENG and ACVRL1, the proportion of mutations causing a truncating frameshift or stop codon (i.e., indels and non-sense mutations) are more frequent in ENG than in ACVRL1 (Lesca et al., 2004 3 ). No common mutation “hotspots” have been observ ...
... both genes. Although less common than missense mutations in ENG and ACVRL1, the proportion of mutations causing a truncating frameshift or stop codon (i.e., indels and non-sense mutations) are more frequent in ENG than in ACVRL1 (Lesca et al., 2004 3 ). No common mutation “hotspots” have been observ ...
Molecular Plant-Microbio Interactions
... of the Tn5lacZ containing the Kmr gene and a chromosomal DNA fragment of approximately 2.5 kb. In order to obtain a chromosomal clone to identify a larger region around the Tn5lacZ, a lambda FIX II genomic library of strain WCS365 was screened. The DNA probe used for this screening was obtained with ...
... of the Tn5lacZ containing the Kmr gene and a chromosomal DNA fragment of approximately 2.5 kb. In order to obtain a chromosomal clone to identify a larger region around the Tn5lacZ, a lambda FIX II genomic library of strain WCS365 was screened. The DNA probe used for this screening was obtained with ...
Isolated Spinach Ribulose-1,5-Bisphosphate
... Rubisco is a hexadecameric protein composed of eight chloroplast-encoded large subunits (referred to herein as “LS”) and eight nuclear-encoded small subunits (referred to herein as “SS”). Synthesis of the LS is accompanied by post-translational processing of the N-terminal domain (Houtz et al., “Pos ...
... Rubisco is a hexadecameric protein composed of eight chloroplast-encoded large subunits (referred to herein as “LS”) and eight nuclear-encoded small subunits (referred to herein as “SS”). Synthesis of the LS is accompanied by post-translational processing of the N-terminal domain (Houtz et al., “Pos ...
HOM-C/Hox genes and four interacting loci
... postdeirid, a neuronal structure of unknown function; cells marked PH contribute to the phasmid, a posterior ...
... postdeirid, a neuronal structure of unknown function; cells marked PH contribute to the phasmid, a posterior ...
PHA (Pulmonary Hypoplasia with Anasarca)
... This fact sheet addresses the most commonly asked questions about a genetic defect that has recently been confirmed by DNA testing in several breeds of cattle, including Dexters. The questions and answers presented herein are based on the conclusion that Pulmonary Hypoplasia with Anasarca (PHA) is t ...
... This fact sheet addresses the most commonly asked questions about a genetic defect that has recently been confirmed by DNA testing in several breeds of cattle, including Dexters. The questions and answers presented herein are based on the conclusion that Pulmonary Hypoplasia with Anasarca (PHA) is t ...
PhD Thesis - Cox Group
... Introduction The term ‘natural product’ means molecules of life1 but in general it refers to ...
... Introduction The term ‘natural product’ means molecules of life1 but in general it refers to ...
Understanding the Scurred condition in Polled Cattle
... Understanding the Scurred condition in Polled Cattle Most calves that are horned can be identified at birth or shortly after, and almost always by weaning time. Distinguishing between smooth-polled and scurred-polled is more difficult. Scurs, a rudimentary horn growth, are often not seen until cattl ...
... Understanding the Scurred condition in Polled Cattle Most calves that are horned can be identified at birth or shortly after, and almost always by weaning time. Distinguishing between smooth-polled and scurred-polled is more difficult. Scurs, a rudimentary horn growth, are often not seen until cattl ...
Rh phenotype prediction by DNA typing and its
... seem to be exposed to stringent selective pressure and may therefore represent more faithfully the processes involved in near-random molecular evolution. RH allele polymorphism will also be of interest to population biology because it has become feasible to determine in a massive way the frequencies ...
... seem to be exposed to stringent selective pressure and may therefore represent more faithfully the processes involved in near-random molecular evolution. RH allele polymorphism will also be of interest to population biology because it has become feasible to determine in a massive way the frequencies ...
Supplemental Information
... interface was clear, and the aqueous layer was washed once with chloroform. An equal volume of isopropanol was added to the resulting aqueous extract and the mixture was incubated on crushed dry ice 20-30 min prior to centrifugation (20 min, 15,000 x g). The resulting pellet was dissolved in 50 mM ...
... interface was clear, and the aqueous layer was washed once with chloroform. An equal volume of isopropanol was added to the resulting aqueous extract and the mixture was incubated on crushed dry ice 20-30 min prior to centrifugation (20 min, 15,000 x g). The resulting pellet was dissolved in 50 mM ...
Tracing the Thread of Plastid Diversity through the Tapestry of Life
... in the cytosol may also have its product targeted to the plastid. In such a case, the plastid and cytosolic versions of the protein are closely related and may be identical and transcribed from a single locus, and, consequently, they are difficult to trace individually. For this reason, relatively l ...
... in the cytosol may also have its product targeted to the plastid. In such a case, the plastid and cytosolic versions of the protein are closely related and may be identical and transcribed from a single locus, and, consequently, they are difficult to trace individually. For this reason, relatively l ...
The enhancement of ribosomal transcription by the recycling of RNA
... these promoters is not always detected (6). Transcription of the 3'-ETS may have the further effect of sweeping transcription factors bound by the 60/81 b.p. elements, towards the pre-rRNA promoter, (1). Readthrough Enhancement would further increase the efficiency with which transcription factors w ...
... these promoters is not always detected (6). Transcription of the 3'-ETS may have the further effect of sweeping transcription factors bound by the 60/81 b.p. elements, towards the pre-rRNA promoter, (1). Readthrough Enhancement would further increase the efficiency with which transcription factors w ...
Recombination in large RNA viruses: Coronaviruses
... The effects of recombination on the evolution of coronavirus DI RNAs have also been demonstrated.25,28,29 Furthermore, in natural coronavirus infections, recombination also serves as an evolutionary tool. This is particularly evident for IBV, many field isolates of which are recombinants between var ...
... The effects of recombination on the evolution of coronavirus DI RNAs have also been demonstrated.25,28,29 Furthermore, in natural coronavirus infections, recombination also serves as an evolutionary tool. This is particularly evident for IBV, many field isolates of which are recombinants between var ...
Applied Microbiology and Biotechnology
... The tryptic digest of the 42 kDa protein band excised from SDS PAGE was subjected to MALDI MS. Since this peptide mass fingerprinting revealed that no protein homologous to ASR1 phytase has been deposited within the protein databases, the highly sensitive nanoflowelectrospray mass spectrometry techn ...
... The tryptic digest of the 42 kDa protein band excised from SDS PAGE was subjected to MALDI MS. Since this peptide mass fingerprinting revealed that no protein homologous to ASR1 phytase has been deposited within the protein databases, the highly sensitive nanoflowelectrospray mass spectrometry techn ...
Structure and function of the GINS complex, a key component of the
... of GINS in development and disease avoidance [15–19]. Finally, recent results suggest that the GINS function might be regulated in response to DNA damage [20]. ...
... of GINS in development and disease avoidance [15–19]. Finally, recent results suggest that the GINS function might be regulated in response to DNA damage [20]. ...
The Genetic Code and RNA-Amino Acid Affinities
... contiguous sequences, usually having ≤24 essential nucleotides, should be the most likely to be isolated. These 24 “essential nucleotides” are defined by statistics. If only purines occur at a given position, this is twice as likely to occur as one specific nucleotide. In this case, selection can is ...
... contiguous sequences, usually having ≤24 essential nucleotides, should be the most likely to be isolated. These 24 “essential nucleotides” are defined by statistics. If only purines occur at a given position, this is twice as likely to occur as one specific nucleotide. In this case, selection can is ...
Hox patterning of the vertebrate rib cage
... AP regions of the axial skeleton. These combined results suggest that there are alternative mechanisms by which Hox genes govern patterning of the thoracic region. Part of the difficulty in understanding patterning of the rib cage results from the nature of development of the thoracic skeleton. The ...
... AP regions of the axial skeleton. These combined results suggest that there are alternative mechanisms by which Hox genes govern patterning of the thoracic region. Part of the difficulty in understanding patterning of the rib cage results from the nature of development of the thoracic skeleton. The ...
Intellectual property rights and innovation: Evidence from
... Empirical study of this question has traditionally been hampered by concerns that the presence of IP may be correlated with factors such as the expected commercial potential of a given discovery.2 The contribution of this paper is to identify an empirical context in which there is variation in IP ac ...
... Empirical study of this question has traditionally been hampered by concerns that the presence of IP may be correlated with factors such as the expected commercial potential of a given discovery.2 The contribution of this paper is to identify an empirical context in which there is variation in IP ac ...
The Meaning of Sex: Genes and Gender Lecture Three—Sex and
... creativity and discipline, being a scientist is a natural thing to be. So if a high-school student wants to become a scientist...I think it's important to read about science, to be able to join programs that allow the students to do individual research in the summers, but none of that's necessary. O ...
... creativity and discipline, being a scientist is a natural thing to be. So if a high-school student wants to become a scientist...I think it's important to read about science, to be able to join programs that allow the students to do individual research in the summers, but none of that's necessary. O ...
Sporadic Hypertrophic Cardiomyopathy Due to De Novo Myosin
... with familial hypertrophic cardiomyopathy frequently have multiple affected relatives, and must have one affected parent. Sporadic occurrence of hypertrophic cardiomyopathy is defined by similar anatomical and clinical features in an individual whose parents do not have the condition (6, 15). Estima ...
... with familial hypertrophic cardiomyopathy frequently have multiple affected relatives, and must have one affected parent. Sporadic occurrence of hypertrophic cardiomyopathy is defined by similar anatomical and clinical features in an individual whose parents do not have the condition (6, 15). Estima ...
Hox patterning of the vertebrate rib cage
... AP regions of the axial skeleton. These combined results suggest that there are alternative mechanisms by which Hox genes govern patterning of the thoracic region. Part of the difficulty in understanding patterning of the rib cage results from the nature of development of the thoracic skeleton. The ...
... AP regions of the axial skeleton. These combined results suggest that there are alternative mechanisms by which Hox genes govern patterning of the thoracic region. Part of the difficulty in understanding patterning of the rib cage results from the nature of development of the thoracic skeleton. The ...
PDF
... Arabidopsis (Arabidopsis thaliana) is adapted to temperate climates and, like temperate grasses, flowers in response to vernalization (the prolonged cold of winter) and long days (see Amasino, 2010). Arabidopsis provides a useful guide to the types of genes/proteins that regulate flowering and, althou ...
... Arabidopsis (Arabidopsis thaliana) is adapted to temperate climates and, like temperate grasses, flowers in response to vernalization (the prolonged cold of winter) and long days (see Amasino, 2010). Arabidopsis provides a useful guide to the types of genes/proteins that regulate flowering and, althou ...
Identification of New Genes Involved in Meiosis by a Genetic Screen
... events on the DNA level including formation of DNA double strand breaks (DSBs) and processing them into cross over (CO) product on one hand, and assembly and disassembly of synaptonemal complex (discussed below) on the other, occur, resulting in chromosome condensation. During metaphase I, homologou ...
... events on the DNA level including formation of DNA double strand breaks (DSBs) and processing them into cross over (CO) product on one hand, and assembly and disassembly of synaptonemal complex (discussed below) on the other, occur, resulting in chromosome condensation. During metaphase I, homologou ...
Gene
A gene is a locus (or region) of DNA that encodes a functional RNA or protein product, and is the molecular unit of heredity. The transmission of genes to an organism's offspring is the basis of the inheritance of phenotypic traits. Most biological traits are under the influence of polygenes (many different genes) as well as the gene–environment interactions. Some genetic traits are instantly visible, such as eye colour or number of limbs, and some are not, such as blood type, risk for specific diseases, or the thousands of basic biochemical processes that comprise life.Genes can acquire mutations in their sequence, leading to different variants, known as alleles, in the population. These alleles encode slightly different versions of a protein, which cause different phenotype traits. Colloquial usage of the term ""having a gene"" (e.g., ""good genes,"" ""hair colour gene"") typically refers to having a different allele of the gene. Genes evolve due to natural selection or survival of the fittest of the alleles.The concept of a gene continues to be refined as new phenomena are discovered. For example, regulatory regions of a gene can be far removed from its coding regions, and coding regions can be split into several exons. Some viruses store their genome in RNA instead of DNA and some gene products are functional non-coding RNAs. Therefore, a broad, modern working definition of a gene is any discrete locus of heritable, genomic sequence which affect an organism's traits by being expressed as a functional product or by regulation of gene expression.