Seed Dormancy and Germination
... The genetic variants described in this review have in common that the seeds are viable, as shown by their ability to germinate after special treatments, such as disruption of the seed coat or the application of specific chemicals. Mutants that do not germinate because they are lethal, including earl ...
... The genetic variants described in this review have in common that the seeds are viable, as shown by their ability to germinate after special treatments, such as disruption of the seed coat or the application of specific chemicals. Mutants that do not germinate because they are lethal, including earl ...
Advances in Environmental Biology Escherichia coli from Frozen Bovine Meat in Algeria
... In our study, we found that stx2 was the predominant gene over stx1 and all the strains possesses the ehxA. It can be concluded that all strains carry one or more genes in pathogenicity. These results are similar to those obtained by Blanco et al. [11,12], 0% of cows, calves 0.6%, but less than obta ...
... In our study, we found that stx2 was the predominant gene over stx1 and all the strains possesses the ehxA. It can be concluded that all strains carry one or more genes in pathogenicity. These results are similar to those obtained by Blanco et al. [11,12], 0% of cows, calves 0.6%, but less than obta ...
The EGF-CFC Protein One-Eyed Pinhead Is Essential for
... induction of gsc expression (Figure 5; Table 1). Expression of constitutively activated ActRIB (Figures 5E–5H) or Smad2 (Figures 5I–5L) rescues the MZoep mutant phenotypes, including gsc expression (Figures 5H and 5L). These results indicate that Oep is essential for Nodal to activate a TGFb signal ...
... induction of gsc expression (Figure 5; Table 1). Expression of constitutively activated ActRIB (Figures 5E–5H) or Smad2 (Figures 5I–5L) rescues the MZoep mutant phenotypes, including gsc expression (Figures 5H and 5L). These results indicate that Oep is essential for Nodal to activate a TGFb signal ...
factor involved in dorsal-ventral axis formation and neurogenesis
... solid boxes numbered 1-6 represent the exons from cDNAs encoding the putative spi protein; the hatched region within exon 6 represents the coding sequence (see also Fig. 3). All of the cDNAs examined that encode spi are composed of two or more exons. The location of exon 1 in the genomic region has ...
... solid boxes numbered 1-6 represent the exons from cDNAs encoding the putative spi protein; the hatched region within exon 6 represents the coding sequence (see also Fig. 3). All of the cDNAs examined that encode spi are composed of two or more exons. The location of exon 1 in the genomic region has ...
uncorrected page proofs
... that daughter cells formed by mitosis each has a double (diploid) set of chromosomes and that gametes formed by meiosis contain a single (haploid) set of chromosomes. Human chromosomes, like the chromosomes of other eukaryotes, have distinctive ends. Chromosome ends are known as telomeres and they c ...
... that daughter cells formed by mitosis each has a double (diploid) set of chromosomes and that gametes formed by meiosis contain a single (haploid) set of chromosomes. Human chromosomes, like the chromosomes of other eukaryotes, have distinctive ends. Chromosome ends are known as telomeres and they c ...
Identification of genes that interact with glp-1, a gene
... glp-1 mutant mother inevitably die during embryogenesis; a glp-1 (+) allele introduced from the father cannot rescue the lethal phenotype. The temperature-sensitive period for lethality is early in embryogenesis (4-28 cells). The scheme used to isolate suppressors of glp-1 (ts) is outlined in Materi ...
... glp-1 mutant mother inevitably die during embryogenesis; a glp-1 (+) allele introduced from the father cannot rescue the lethal phenotype. The temperature-sensitive period for lethality is early in embryogenesis (4-28 cells). The scheme used to isolate suppressors of glp-1 (ts) is outlined in Materi ...
PH4 of Petunia Is an R2R3 MYB Protein That Activates
... In morning glory (Ipomoea tricolor) petals, the vacuolar pH is relatively low when the flower bud opens, resulting in a red color, but upon further maturation, the vacuolar pH increases and the petals acquire a strong blue color (Yoshida et al., 1995). This color change and the increase of vacuolar ...
... In morning glory (Ipomoea tricolor) petals, the vacuolar pH is relatively low when the flower bud opens, resulting in a red color, but upon further maturation, the vacuolar pH increases and the petals acquire a strong blue color (Yoshida et al., 1995). This color change and the increase of vacuolar ...
Tutorial - Chemistry
... In Taverna, new tools can be ‘added’ very easily because we are often actually calling external tools Go to http://www.biocatalogue.org and look around. Biocatalogue is a registry of available Web Services for the Life Sciences. You can use any of these tools in Taverna Search for the ‘ontology ...
... In Taverna, new tools can be ‘added’ very easily because we are often actually calling external tools Go to http://www.biocatalogue.org and look around. Biocatalogue is a registry of available Web Services for the Life Sciences. You can use any of these tools in Taverna Search for the ‘ontology ...
14 Chromosomes
... a few particular chromosomes (see table 14.2). The most common chromosomal anomaly seen in human populations is Down syndrome (DS), in which there is an additional copy of the number-21 chromosome. When three copies of a chromosome occur, instead of the typical pair of chromosomes, a cell or an orga ...
... a few particular chromosomes (see table 14.2). The most common chromosomal anomaly seen in human populations is Down syndrome (DS), in which there is an additional copy of the number-21 chromosome. When three copies of a chromosome occur, instead of the typical pair of chromosomes, a cell or an orga ...
Strains of Salmonella typhimurium and Other
... subdivided, and the decision not to greatly subdivide the Escherichia group is no easier to justify than the decision to do so in Salmonella. CHARACTERISTICS OF STRAIN LT2 AND SOME OF ITS DERIVATIVES Strain LT2 has proven to be suitable for use as a representative of the wild type of S. typhimurium. ...
... subdivided, and the decision not to greatly subdivide the Escherichia group is no easier to justify than the decision to do so in Salmonella. CHARACTERISTICS OF STRAIN LT2 AND SOME OF ITS DERIVATIVES Strain LT2 has proven to be suitable for use as a representative of the wild type of S. typhimurium. ...
Chromosome location and characterization of genes for grain
... in the identification and isolation of Gpc-B1, a major gene for high grain protein content (GPC) on chromosome 6B. This study was conducted to identify and characterize genes for high GPC in the two sets based on PI 481521 and PI 478742. The two sets of substitutions lines and controls were grown at ...
... in the identification and isolation of Gpc-B1, a major gene for high grain protein content (GPC) on chromosome 6B. This study was conducted to identify and characterize genes for high GPC in the two sets based on PI 481521 and PI 478742. The two sets of substitutions lines and controls were grown at ...
org.Mm.eg.db
... Each entrez gene identifier maps to a named vector containing the EC number that corresponds to the enzyme produced by that gene. The name corresponds to the entrez gene identifier. If this information is unknown, the vector will contain an NA. Enzyme Commission numbers are assigned by the Nomenclat ...
... Each entrez gene identifier maps to a named vector containing the EC number that corresponds to the enzyme produced by that gene. The name corresponds to the entrez gene identifier. If this information is unknown, the vector will contain an NA. Enzyme Commission numbers are assigned by the Nomenclat ...
In Memoriam: Jacques Monod (1910–1976)
... cultures’’ (Monod 1942). The jury appreciated neither the importance nor the originality of this fundamental work at the time. Indeed, André Lwoff later recounted how, following Monod’s defense of his thesis, the director of the laboratory in which Monod was working told Lwoff that ‘‘Monod’s work i ...
... cultures’’ (Monod 1942). The jury appreciated neither the importance nor the originality of this fundamental work at the time. Indeed, André Lwoff later recounted how, following Monod’s defense of his thesis, the director of the laboratory in which Monod was working told Lwoff that ‘‘Monod’s work i ...
Cytokinin signaling - Biology Department | UNC Chapel Hill
... displays reduced sensitivity to exogenous cytokinin in root elongation assays. The quintuple ahp1 ahp2 ahp3 ahp4 ahp5 mutant is severely impaired in the induction of cytokinin primary response genes and shows developmental defects. Together, these findings indicate that the AHPs are positive, redund ...
... displays reduced sensitivity to exogenous cytokinin in root elongation assays. The quintuple ahp1 ahp2 ahp3 ahp4 ahp5 mutant is severely impaired in the induction of cytokinin primary response genes and shows developmental defects. Together, these findings indicate that the AHPs are positive, redund ...
Slide 1
... During sexual reproduction, male and female reproductive cells join in a process known as fertilization to produce a new cell. Pea flowers are normally self-pollinating, which means that sperm cells fertilize egg cells from within the same flower. Mendel’s garden had several stocks of pea plants tha ...
... During sexual reproduction, male and female reproductive cells join in a process known as fertilization to produce a new cell. Pea flowers are normally self-pollinating, which means that sperm cells fertilize egg cells from within the same flower. Mendel’s garden had several stocks of pea plants tha ...
8 VARIATION IN CHROMOSOME STRUCTURE AND NUMBER
... variety of shapes and sizes, let’s consider how the structures of normal chromosomes can be modified. In some cases, the total amount of genetic material within a single chromosome can be increased or decreased significantly. Alternatively, the genetic material in one or more chromosomes may be rear ...
... variety of shapes and sizes, let’s consider how the structures of normal chromosomes can be modified. In some cases, the total amount of genetic material within a single chromosome can be increased or decreased significantly. Alternatively, the genetic material in one or more chromosomes may be rear ...
The Zn Finger protein Iguana impacts Hedgehog signaling by
... the animals between five and seven days following RNAi, and reached a low point following approximately 14 days of RNAi (Fig. 2B). During the period of cilia loss, remaining cilia maintained normal length (Fig. 2B) and were capable of beating (Supplementary movies 3, 4). These data indicate a requi ...
... the animals between five and seven days following RNAi, and reached a low point following approximately 14 days of RNAi (Fig. 2B). During the period of cilia loss, remaining cilia maintained normal length (Fig. 2B) and were capable of beating (Supplementary movies 3, 4). These data indicate a requi ...
a complex voyage to the X chromosome
... complex localization to the X chromosomes and dosage compensation, suggesting that females carry all of the information necessary for MSL targeting (Kelley et al., 1995). This finding implies that specific sequence elements are associated with the X chromosome that distinguish it from other chromoso ...
... complex localization to the X chromosomes and dosage compensation, suggesting that females carry all of the information necessary for MSL targeting (Kelley et al., 1995). This finding implies that specific sequence elements are associated with the X chromosome that distinguish it from other chromoso ...
REVIEWS
... In Drososphila embryos, snail is initially expressed in the prospective mesoderm38 (FIG. 3), where it acts as a repressor to inhibit the expression of neuroectodermal genes such as rhomboid 39 and single-minded 40. So, in Drosophila, mesoderm specification is partly carried out by the exclusion of a ...
... In Drososphila embryos, snail is initially expressed in the prospective mesoderm38 (FIG. 3), where it acts as a repressor to inhibit the expression of neuroectodermal genes such as rhomboid 39 and single-minded 40. So, in Drosophila, mesoderm specification is partly carried out by the exclusion of a ...
Forward Genetics
... organisms such as yeast, worm, fly or mouse. In doing so, we typically try to generate mutations in A: somatic cells B: germline cells (gametes, sperm or oocytes) C: not sure ...
... organisms such as yeast, worm, fly or mouse. In doing so, we typically try to generate mutations in A: somatic cells B: germline cells (gametes, sperm or oocytes) C: not sure ...
A novel role for the floral homeotic gene APETALA2
... the fruits in A, D and G, respectively. In ful, the replum adopts a typical zigzag configuration (A,B). However, this structure is absent in rpl ful (E). Replum development is rescued in rpl ful m413 background (G,H). The red arrowhead in G indicates the formation of carpeloid-sepals in rpl ful m413 ...
... the fruits in A, D and G, respectively. In ful, the replum adopts a typical zigzag configuration (A,B). However, this structure is absent in rpl ful (E). Replum development is rescued in rpl ful m413 background (G,H). The red arrowhead in G indicates the formation of carpeloid-sepals in rpl ful m413 ...
The Nicotiana tabacum genome encodes two cytoplasmic
... kit from Stratagene, according to the recommendations of the manufacturer. From the partial genomic phage library, 400 O00 plaques of the recombinant bacteriophage were plated at a density of about 50 O00 per plate, transferred onto Hybond N f membrane (Amersham) and screened with the thioredoxin X5 ...
... kit from Stratagene, according to the recommendations of the manufacturer. From the partial genomic phage library, 400 O00 plaques of the recombinant bacteriophage were plated at a density of about 50 O00 per plate, transferred onto Hybond N f membrane (Amersham) and screened with the thioredoxin X5 ...
Parallel Evolution of Copy-Number Variation across Continents in
... distributed across chromosome arms (P ¼ 0.096, v2 test), and they are not enriched within large chromosomal inversions (fig. 2; P ¼ 0.11, permutation test; see Materials and Methods). Differentiated CNV density is uncorrelated with recombination rate (P ¼ 0.95, Spearman’s q; see Materials and Method ...
... distributed across chromosome arms (P ¼ 0.096, v2 test), and they are not enriched within large chromosomal inversions (fig. 2; P ¼ 0.11, permutation test; see Materials and Methods). Differentiated CNV density is uncorrelated with recombination rate (P ¼ 0.95, Spearman’s q; see Materials and Method ...