The evolutionary history of the stearoyl
... equally related to their vertebrate counterparts. Second, invertebrate SCD genes should be flanked by gene families that have their human orthologues/paralogues localising to regions of SCD paralogy (Hsa4, Hsa10, Hsa5 and Hsa2/ 8), even if conserved micro-synteny (conservation of immediately adjacen ...
... equally related to their vertebrate counterparts. Second, invertebrate SCD genes should be flanked by gene families that have their human orthologues/paralogues localising to regions of SCD paralogy (Hsa4, Hsa10, Hsa5 and Hsa2/ 8), even if conserved micro-synteny (conservation of immediately adjacen ...
PDF only - at www.arxiv.org.
... One such source of conflicting evolutionary history comes from Horizontal Gene Transfer (HGT), the mechanism and influence of which on the prokaryote tree of life has been extensively debated [9-14]. Generally, analyses of HGT have involved the identification of alien sequences either without refere ...
... One such source of conflicting evolutionary history comes from Horizontal Gene Transfer (HGT), the mechanism and influence of which on the prokaryote tree of life has been extensively debated [9-14]. Generally, analyses of HGT have involved the identification of alien sequences either without refere ...
Integrating Different Organizational Levels in Benthic Biodiversity
... species richness alone could explain the significant differences among microcosms, but that the algal biomass was a joint function of both algal and bacterial diversity implying important interactions among functional groups (Naeem et al., 2000). Studies on microbial communities are very useful as t ...
... species richness alone could explain the significant differences among microcosms, but that the algal biomass was a joint function of both algal and bacterial diversity implying important interactions among functional groups (Naeem et al., 2000). Studies on microbial communities are very useful as t ...
Journal of Tropical Ecology - CESCO
... individual probability of each collected seed being dispersed was binary. We tested the null hypothesis of homogeneous distribution between habitats and years. We constructed first a full model (including an interaction between habitat and year) using Ds as dependent variable and compared it with al ...
... individual probability of each collected seed being dispersed was binary. We tested the null hypothesis of homogeneous distribution between habitats and years. We constructed first a full model (including an interaction between habitat and year) using Ds as dependent variable and compared it with al ...
Pollutants in food chains: impacts on birds
... enthusiasts concerning the losses caused by peregrine falcons preying on their birds. They were lobbying for a change in the protected status of the peregrine because they claimed that the peregrine population had greatly increased increasing their losses. As a result of this pressure, the Nature Co ...
... enthusiasts concerning the losses caused by peregrine falcons preying on their birds. They were lobbying for a change in the protected status of the peregrine because they claimed that the peregrine population had greatly increased increasing their losses. As a result of this pressure, the Nature Co ...
Disvalues in nature - Colorado State University
... nature. Disvalue might be discovered in natural products oblivious to the systemic processes. If the disvalue comes only by human preferences, origins are irrelevant. But nature is processes as much as products. Possibly, a disvaluable or valueless process has occasionally produced valuable products ...
... nature. Disvalue might be discovered in natural products oblivious to the systemic processes. If the disvalue comes only by human preferences, origins are irrelevant. But nature is processes as much as products. Possibly, a disvaluable or valueless process has occasionally produced valuable products ...
Consumer-Resource Interactions II
... prey population increases. This could be explained by satiation (predators are full and so don’t kill prey at the same rate), or by predators becoming limited by handling time – predators simply cannot capture and kill prey any faster, regardless of how many more prey there are. Both of these will c ...
... prey population increases. This could be explained by satiation (predators are full and so don’t kill prey at the same rate), or by predators becoming limited by handling time – predators simply cannot capture and kill prey any faster, regardless of how many more prey there are. Both of these will c ...
Predicting community structure of ground-foraging ant
... chemical contamination, we used a fresh piece of Tygon tubing for each trial, and washed and dried our hands before every trial. Ant workers were collected with an aspirator from tuna fish baits (which were not part of the abundance censuses), and were used in behavioral trials within 3 h of field c ...
... chemical contamination, we used a fresh piece of Tygon tubing for each trial, and washed and dried our hands before every trial. Ant workers were collected with an aspirator from tuna fish baits (which were not part of the abundance censuses), and were used in behavioral trials within 3 h of field c ...
What is sequence alignment - department of computer & electrical
... Q: Are two sequences generally the same? Best alignment of parts of sequence Q: Do two sequences contain regions of high similarity? Biologically " Two sequences may differ in structure and function, but share common substructure / subfunction ...
... Q: Are two sequences generally the same? Best alignment of parts of sequence Q: Do two sequences contain regions of high similarity? Biologically " Two sequences may differ in structure and function, but share common substructure / subfunction ...
Species–energy relationships and habitat complexity in bird
... with a more even relative abundance distribution. I expect that restricting the analyses to single habitat types controls for most of the variation in vegetational complexity, however, it should be noted that variation in NDVI within a habitat type still reflects changes in habitat structure (e.g. t ...
... with a more even relative abundance distribution. I expect that restricting the analyses to single habitat types controls for most of the variation in vegetational complexity, however, it should be noted that variation in NDVI within a habitat type still reflects changes in habitat structure (e.g. t ...
AP Environmental Science - East Pennsboro Area School District
... 4.5.12.A Environment & Ecology (Humans and the Environment) 4.5.12.C Environment & Ecology (Humans and the Environment) 4.5.12.F Environment & Ecology (Humans and the Environment) Unit Essential Question(s): What are some of the challenges associated with understanding which species are threatened w ...
... 4.5.12.A Environment & Ecology (Humans and the Environment) 4.5.12.C Environment & Ecology (Humans and the Environment) 4.5.12.F Environment & Ecology (Humans and the Environment) Unit Essential Question(s): What are some of the challenges associated with understanding which species are threatened w ...
Same sexual system but variable sociobiology: evolution of
... The 2800 species of caridean shrimps show a considerable ecological and morphological diversity (Bauer 2004). It is not surprising that a variety of mating systems have evolved in shrimps (Correa and Thiel 2003; Bauer 2004); some of them are more conducive to classical sexual selection (Darwin 1871; ...
... The 2800 species of caridean shrimps show a considerable ecological and morphological diversity (Bauer 2004). It is not surprising that a variety of mating systems have evolved in shrimps (Correa and Thiel 2003; Bauer 2004); some of them are more conducive to classical sexual selection (Darwin 1871; ...
book of abstracts as PDF
... Polyploids have been found to occupy a wider range of environments and have a higher performance than their relatives with a lower ploidy level. Such differences in life-history traits may influence their demography. We studied the demography of two closely related taxa, Saxifraga sponhemica (2n = 4 ...
... Polyploids have been found to occupy a wider range of environments and have a higher performance than their relatives with a lower ploidy level. Such differences in life-history traits may influence their demography. We studied the demography of two closely related taxa, Saxifraga sponhemica (2n = 4 ...
a critique of the
... 2004, Holyoak et al. 2005), we limited our inquiry to species within the same trophic level living together sympatrically. Obviously, this statement has a very high degree of scale dependence. By ‘‘living together sympatrically’’ we mean that individuals of the species in question can reasonably be ...
... 2004, Holyoak et al. 2005), we limited our inquiry to species within the same trophic level living together sympatrically. Obviously, this statement has a very high degree of scale dependence. By ‘‘living together sympatrically’’ we mean that individuals of the species in question can reasonably be ...
chapter03_section01_edit
... An ecologist may set up an artificial environment in a laboratory to imitate and manipulate conditions that organisms would encounter in the wild. Other experiments are conducted within natural ecosystems. ...
... An ecologist may set up an artificial environment in a laboratory to imitate and manipulate conditions that organisms would encounter in the wild. Other experiments are conducted within natural ecosystems. ...
The Primary Structure of a 4.0-kDa Photosystem I Polypeptide
... d e is encoded by the chloroplast gene trifluoroacetic acid (90 min, flow rate 1 mllmin, eluate monitored a t psaC ( I f .PS I electron transport has been the subject of two 215 nm). Amino acid sequencing of the isolated PSI-I polypeptide recent reviews (2, 3). Apart from these three subunits, PS I ...
... d e is encoded by the chloroplast gene trifluoroacetic acid (90 min, flow rate 1 mllmin, eluate monitored a t psaC ( I f .PS I electron transport has been the subject of two 215 nm). Amino acid sequencing of the isolated PSI-I polypeptide recent reviews (2, 3). Apart from these three subunits, PS I ...
DRD4 Gene Polymorphism in Children of Nomadic and Urban
... DRD4 Gene Polymorphism in Children of Nomadic and Urban Indigenous Populations in the North of West Siberia Key words: DRD4, Siberia, ethnic groups, indigenous population, urban population. Annotation: The aim of the work was to assess prevalence of the frequencies of the DRD4 gene alleles in nomadi ...
... DRD4 Gene Polymorphism in Children of Nomadic and Urban Indigenous Populations in the North of West Siberia Key words: DRD4, Siberia, ethnic groups, indigenous population, urban population. Annotation: The aim of the work was to assess prevalence of the frequencies of the DRD4 gene alleles in nomadi ...
ADVANCED PLACEMENT ENVIRONMENTAL SCIENCE
... 20. The degradation of spaces on and surrounding Earth which are outside of the domain/ ownership/ rule of any country is known as: The common curve ...
... 20. The degradation of spaces on and surrounding Earth which are outside of the domain/ ownership/ rule of any country is known as: The common curve ...
european mink
... available capacity of breeding facilities. Therefore it is obvious that application of this model to data from captive breeding operation will provide very conservative results. However, as no ideal data are available, this assessment still gives us a target size which is likely to grant success. As ...
... available capacity of breeding facilities. Therefore it is obvious that application of this model to data from captive breeding operation will provide very conservative results. However, as no ideal data are available, this assessment still gives us a target size which is likely to grant success. As ...
Food web structure of three guilds of natural enemies: predators
... the pathogen and predator webs had similar levels of connectance. However, when a measure based on quantitative data was used the pathogen web was intermediate between the other two guilds. 6. There is evidence that a single aphid species had a particularly large effect on the structure of the patho ...
... the pathogen and predator webs had similar levels of connectance. However, when a measure based on quantitative data was used the pathogen web was intermediate between the other two guilds. 6. There is evidence that a single aphid species had a particularly large effect on the structure of the patho ...
Competitive avoidance not edaphic specialization drives vertical
... et al. (2011) found evidence that EM fungal community composition was strongly influenced by horizontal gradients in rooting density, with long- and short-distance exploration type species (sensu Agerer, 2001) being more common in areas of lower and higher root densities, respectively. Although it h ...
... et al. (2011) found evidence that EM fungal community composition was strongly influenced by horizontal gradients in rooting density, with long- and short-distance exploration type species (sensu Agerer, 2001) being more common in areas of lower and higher root densities, respectively. Although it h ...
intermediate disturbance hypothesis
... the de facto presence of a species’ pool ...”. Earlier (Padisák, 1992), she made this criticism of Wilson (1990) more explicit: “If there is an insufficient pool of storage species in New Zealand (as it is has been argued against IDH), then how can GCC ... operate?”. Leaving aside what ‘storage spec ...
... the de facto presence of a species’ pool ...”. Earlier (Padisák, 1992), she made this criticism of Wilson (1990) more explicit: “If there is an insufficient pool of storage species in New Zealand (as it is has been argued against IDH), then how can GCC ... operate?”. Leaving aside what ‘storage spec ...
roads and carrion-feeding beetle communitiesrequenting beetles
... In total, we collected 1,569 beetles of 72 species. Most of the beetles collected were from taxa known to be carrion-feeders (Silphidae, Trogidae) or predators on fly eggs or maggots (e.g. Staphylinidae). Like other studies of carrion (e.g. Sikes 1994) the assemblages also included beetles from fami ...
... In total, we collected 1,569 beetles of 72 species. Most of the beetles collected were from taxa known to be carrion-feeders (Silphidae, Trogidae) or predators on fly eggs or maggots (e.g. Staphylinidae). Like other studies of carrion (e.g. Sikes 1994) the assemblages also included beetles from fami ...
The scope of the problem - Assets
... and individual case studies are used to test theory. Every attempt is made to avoid getting lost in the fascinating array of highly specialized, coevolved mutualisms and concentrate on the underlying principles and whether they are generally applicable to different partners of ants. Twenty years ago ...
... and individual case studies are used to test theory. Every attempt is made to avoid getting lost in the fascinating array of highly specialized, coevolved mutualisms and concentrate on the underlying principles and whether they are generally applicable to different partners of ants. Twenty years ago ...
