Heliconius wing patterns: an evo-devo model for understanding
... numata: Brown and Benson, 1974; H. melpomene, H. erato: Sheppard et al, 1985; Mallet, 1989; H. erato/H. himera: Jiggins and McMillan, 1997; H. cydno: Kapan, 1998; H. cydno/H. melpomene: Gilbert, 2003; Naisbit et al, 2003). Alleles at major switch loci in Heliconius are natural variants, not laborato ...
... numata: Brown and Benson, 1974; H. melpomene, H. erato: Sheppard et al, 1985; Mallet, 1989; H. erato/H. himera: Jiggins and McMillan, 1997; H. cydno: Kapan, 1998; H. cydno/H. melpomene: Gilbert, 2003; Naisbit et al, 2003). Alleles at major switch loci in Heliconius are natural variants, not laborato ...
Different strategies of osmoadaptation in the closely
... are organic compounds of low molecular mass that have no influence on cellular metabolism and are non-toxic. Therefore, these highly water-soluble molecules are also called compatible solutes (Brown, 1976; Held et al., 2010). Bacteria accumulate many different organic osmolytes in response to hypert ...
... are organic compounds of low molecular mass that have no influence on cellular metabolism and are non-toxic. Therefore, these highly water-soluble molecules are also called compatible solutes (Brown, 1976; Held et al., 2010). Bacteria accumulate many different organic osmolytes in response to hypert ...
A method for measuring the non-random bias of a codon usage table
... amino acid composition of typical proteins (5): some amino acids are used far more frequently than others. ...
... amino acid composition of typical proteins (5): some amino acids are used far more frequently than others. ...
Conservation of Brachyury (T) genes in amphioxus and vertebrates
... notochord development preceded vertebrate origins; in contrast, expression in early mesoderm (other than notochord) probably evolved later. The data do not resolve whether this latter expression, and its associated developmental role, is restricted to vertebrates in general, or only to higher verteb ...
... notochord development preceded vertebrate origins; in contrast, expression in early mesoderm (other than notochord) probably evolved later. The data do not resolve whether this latter expression, and its associated developmental role, is restricted to vertebrates in general, or only to higher verteb ...
Cotranscriptional coupling of splicing factor recruitment and
... To begin to investigate cotranscriptional accumulation of RNAbinding proteins, antibodies specific for the CBP80 subunit of the capbinding complex (CBC) were used for ChIP. We anticipated that the CBC should bind the 5¢ end of every capped Pol II transcript (Fig. 1). Capping occurs after only 20–30 ...
... To begin to investigate cotranscriptional accumulation of RNAbinding proteins, antibodies specific for the CBP80 subunit of the capbinding complex (CBC) were used for ChIP. We anticipated that the CBC should bind the 5¢ end of every capped Pol II transcript (Fig. 1). Capping occurs after only 20–30 ...
Cloning - Allegiance
... Cloning created identical genes. It is a process of replicating a genetic constitution, thus hampering the diversity in genes. While lessening the diversity in genes, we weaken our ability of adaptation. Cloning is also detrimental to the beauty that lies in diversity. While cloning allows man to ta ...
... Cloning created identical genes. It is a process of replicating a genetic constitution, thus hampering the diversity in genes. While lessening the diversity in genes, we weaken our ability of adaptation. Cloning is also detrimental to the beauty that lies in diversity. While cloning allows man to ta ...
The Evolution of Vertebrate Sex Chromosomes
... chromosome than in the rest of the genome. In light of this difficulty, it was necessary to ...
... chromosome than in the rest of the genome. In light of this difficulty, it was necessary to ...
Multi-petal cyclamen flowers produced by
... Figure 2 | Phenotypes of 35S:CpAG1-SRDX and 35S:CpAG2-SRDX Arabidopsis. (a) A flower of wild-type Arabidopsis. (b) A flower of 35S:CpAG1SRDX Arabidopsis with petaloid stamens (red arrowhead). (c) A double flower of 35S:CpAG2-SRDX plant. Inside the carpel is shown by dissection. Solid arrow and dashe ...
... Figure 2 | Phenotypes of 35S:CpAG1-SRDX and 35S:CpAG2-SRDX Arabidopsis. (a) A flower of wild-type Arabidopsis. (b) A flower of 35S:CpAG1SRDX Arabidopsis with petaloid stamens (red arrowhead). (c) A double flower of 35S:CpAG2-SRDX plant. Inside the carpel is shown by dissection. Solid arrow and dashe ...
PDF
... heterogeneous surface receptors collectively referred to as PfEMP1. These proteins are encoded by a large, polymorphic gene family called var. The family contains approximately 60 individual genes, which are subject to strict, mutually exclusive expression, with the single expressed var gene determi ...
... heterogeneous surface receptors collectively referred to as PfEMP1. These proteins are encoded by a large, polymorphic gene family called var. The family contains approximately 60 individual genes, which are subject to strict, mutually exclusive expression, with the single expressed var gene determi ...
Genetics 1 - National Open University of Nigeria
... Genetics. In spite of the fundamental nature of Mendel’s discoveries and the clarity with which he stated his results and conclusions, his papers had no immediate impact on the scientific world. However, one Russian botanist, Ivan Ivanovich Schmalhausen (1884-1963) stressed the importance of Mendel ...
... Genetics. In spite of the fundamental nature of Mendel’s discoveries and the clarity with which he stated his results and conclusions, his papers had no immediate impact on the scientific world. However, one Russian botanist, Ivan Ivanovich Schmalhausen (1884-1963) stressed the importance of Mendel ...
Mef2 gene expression marks the cardiac and skeletal muscle
... cardiac myocytes, indicating that MEF2 expression can be controlled independently of the skeletal muscle bHLH proteins (Zhu et al., 1991; Yu et al., 1992; Navankasattusas et al., 1992; Ianello et al., 1991). The majority of cardiac gene control regions described have MEF2 sites and where its functio ...
... cardiac myocytes, indicating that MEF2 expression can be controlled independently of the skeletal muscle bHLH proteins (Zhu et al., 1991; Yu et al., 1992; Navankasattusas et al., 1992; Ianello et al., 1991). The majority of cardiac gene control regions described have MEF2 sites and where its functio ...
Role of 1-aminocyclopropane-1-carboxylate (ACC) Synthases
... flower petals wilt within several days of pollination and this response is reproduced upon their exposure to exogenous ethylene (Reid et al. 1989; O’Neil et al. 1993; van Doorn 1997; Bui et al. 1998; van Doorn 2002). The commercial value of flowers decreases dramatically after the first sign of flow ...
... flower petals wilt within several days of pollination and this response is reproduced upon their exposure to exogenous ethylene (Reid et al. 1989; O’Neil et al. 1993; van Doorn 1997; Bui et al. 1998; van Doorn 2002). The commercial value of flowers decreases dramatically after the first sign of flow ...
Review Non-ribosomal peptide synthetases: Identifying the cryptic
... in an uncharacterized A-domain, then the probability of their substrates being the same is high (Stachelhaus et al. 1999). This comparative analysis is used by many NRPS prediction tools like the SBS-PKS, PKS/NRPS and NP.searcher (table 1) to predict the approximate product chemistry of novel NRPS c ...
... in an uncharacterized A-domain, then the probability of their substrates being the same is high (Stachelhaus et al. 1999). This comparative analysis is used by many NRPS prediction tools like the SBS-PKS, PKS/NRPS and NP.searcher (table 1) to predict the approximate product chemistry of novel NRPS c ...
Genes and Genetic Testing in Hereditary Ataxias
... typically three to six bases long, appear at variable repeat number within many genes. Occasionally these repeat regions become unstable during replication, leading to either deletions of repeats, which rarely causes problems, or to expansion of the number of repeats. Typically within a repeat regio ...
... typically three to six bases long, appear at variable repeat number within many genes. Occasionally these repeat regions become unstable during replication, leading to either deletions of repeats, which rarely causes problems, or to expansion of the number of repeats. Typically within a repeat regio ...
Genetic determinants of sense organ identity in
... poxn cannot promote es development in the absence of cut In the absence of cut, no es organ is formed (Bodmer et al., 1987). Yet we observed in AS-C− embryos that ch precursors (which do not express cut) can form es organs if they are forced to express poxn. One way to explain this result is that po ...
... poxn cannot promote es development in the absence of cut In the absence of cut, no es organ is formed (Bodmer et al., 1987). Yet we observed in AS-C− embryos that ch precursors (which do not express cut) can form es organs if they are forced to express poxn. One way to explain this result is that po ...
special - Microbiology
... To address this question, high-copy-number plasmids that contained either afsR or afsS were made and both were shown to be capable of stimulating Act production in both S. coelicolor and S.lividans; however, the degree of stimulation mediated by afxR was significantly greater than that produced by a ...
... To address this question, high-copy-number plasmids that contained either afsR or afsS were made and both were shown to be capable of stimulating Act production in both S. coelicolor and S.lividans; however, the degree of stimulation mediated by afxR was significantly greater than that produced by a ...
Evolution of the Actin Gene Family in Testate Lobose Amoebae
... The evolution of actin gene families is characterized by independent expansions and contractions across the eukaryotic tree of life. Here, we assess diversity of actin gene sequences within three lineages of the genus Arcella, a free-living testate (shelled) amoeba in the Arcellinida. We established ...
... The evolution of actin gene families is characterized by independent expansions and contractions across the eukaryotic tree of life. Here, we assess diversity of actin gene sequences within three lineages of the genus Arcella, a free-living testate (shelled) amoeba in the Arcellinida. We established ...
Two-Component System of Mycobacterium Tuberculosis
... Under phosphate-starvation-induction conditions, the Response Regulator (RR) PhoP, and the histidine protein kinase (HK) PhoR, are involved in the induction of Pho-regulon genes including the phoPR operon and genes encoding the major vegetative alkaline phosphatases, phoA and phoB. The PhoP protein ...
... Under phosphate-starvation-induction conditions, the Response Regulator (RR) PhoP, and the histidine protein kinase (HK) PhoR, are involved in the induction of Pho-regulon genes including the phoPR operon and genes encoding the major vegetative alkaline phosphatases, phoA and phoB. The PhoP protein ...
Epidermolysis Bullosa Letalis - Center for Arab Genomic Studies
... 10 different genes expressed within the dermoepidermal adhesion zone, with at least six different genes being involved in the pathogenesis of junctional epidermolysis bullosa. Herlitz junctional epidermolysis bullosa has been shown to be associated with mutations in one of the 3 laminin-5 genes (LAM ...
... 10 different genes expressed within the dermoepidermal adhesion zone, with at least six different genes being involved in the pathogenesis of junctional epidermolysis bullosa. Herlitz junctional epidermolysis bullosa has been shown to be associated with mutations in one of the 3 laminin-5 genes (LAM ...
the contribution of gene movement to the two rules of speciation
... introduce these mechanisms below, returning to the evidence for each in the next section. There are three mechanisms by which genes can move between chromosomes. The first involves the simple movement of a gene from one chromosome to another with no duplicative intermediate. Movement of large chromo ...
... introduce these mechanisms below, returning to the evidence for each in the next section. There are three mechanisms by which genes can move between chromosomes. The first involves the simple movement of a gene from one chromosome to another with no duplicative intermediate. Movement of large chromo ...
Uria_et_al_2006 _ADH paper
... Oceans are vast untapped reservoirs of highly diverse and unique natural products accumulated in marine organisms. Enzymes belong to the most interesting natural products from both scientific and industrial perpectives. They are enjoying increasing popularity in the chemical and pharmaceutical indus ...
... Oceans are vast untapped reservoirs of highly diverse and unique natural products accumulated in marine organisms. Enzymes belong to the most interesting natural products from both scientific and industrial perpectives. They are enjoying increasing popularity in the chemical and pharmaceutical indus ...
Regulation of Gene Expression
... • Function: It is the binding site for CTF1 (CAATbinding transcription factor) and C/EBP. The DNA-binding domain of TF1 is rich in basic Aas, and most likely it is in the alpha-helical conformation. C/EBP binds to DNA in a dimer known as leucine zipper. • Eukaryotes frequently have CAAT boxes, a str ...
... • Function: It is the binding site for CTF1 (CAATbinding transcription factor) and C/EBP. The DNA-binding domain of TF1 is rich in basic Aas, and most likely it is in the alpha-helical conformation. C/EBP binds to DNA in a dimer known as leucine zipper. • Eukaryotes frequently have CAAT boxes, a str ...
Sager JJ, Bai Q, Burton EA
... development. Because developmental brain abnormalities are recognized as an important feature of childhood neurological disorders such as epilepsy and autism, we determined whether zebrafish mutants with grossly abnormal brain structure exhibit spontaneous electrical activity that resembles the long ...
... development. Because developmental brain abnormalities are recognized as an important feature of childhood neurological disorders such as epilepsy and autism, we determined whether zebrafish mutants with grossly abnormal brain structure exhibit spontaneous electrical activity that resembles the long ...