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Morphology in Biological News

Image processing and mathematical morphology in new text by NJIT professor

... this knowledge into a theoretical framework. morphology is the identification, analysis and description ... the earliest researchers to initiate mathematical morphology research with applications to image processing, ... "Threshold decomposition of grayscale morphology into binary morphology" by Shih, published in ...

Image processing and mathematical morphology in new text by NJIT prof

... this knowledge into a theoretical framework. morphology is the identification, analysis and description ... the earliest researchers to initiate mathematical morphology research with applications to image processing, ... "Threshold decomposition of grayscale morphology into binary morphology" by Shih, published in ...

February 2009 Geology and GSA Today media highlights

... over their lifetimes. An expectation that the morphology and thermal structure of mantle plumes should ... material at the core-mantle boundary, the varied morphology of mantle thermal anomalies, and the inferred ... ponds or lakes. These results can explain the morphology of many wave-formed features in many ...

Microscopic morphology adds to the scorpion family tree

... major lineages of scorpions. "The richness of morphology is a vast and still largely unexplored source of ... Kamenz and Prendini revisited book lung morphology for the first time since 1926 to assess whether ... that is independently supported by external morphology and DNA. The finding suggests that a significant ...

Normal-looking sperm may have serious damage; scientists urge more care in selection

... by a simultaneous examination of normal sperm morphology using face contrast and DNA fragmentation by fluorescence microscopy. The sperm morphology was evaluated in 400 randomly selected cells per sample. When a sperm with normal morphology was found, the light was switched to fluorescence ...

Entomological Society announces 2007 award winners

... History. McHughs research program focuses on the morphology and systematics of Coleoptera. He has produced 40 ... aquatic beetle family Hydrophilidae, he utilized morphology and molecular data to explore patterns of ... (Cicadellidae: Cicadellinae), including taxonomy, morphology and DNA-sequence based phylogenies, and ...

Genetic contributions to human brain morphology and intelligence

... into adulthood, involves changes in brain morphology that may be essential to optimal adult ... and genes that are involved in human brain morphology and its association with cognitive functions remain elusive. Although genetic effects on morphology of specific gray matter areas in the brain have ...

Dictyostelium cells shown to lay 'breadcrumb trail' as first step in multicellular formation

... signal like cAMP, individual Dictyostelium cells acquire a polarized morphology and aggregate to form a migrating stream. This is the first step in a ... Journal of Cell Biology ( www.jcb.org ). Besides acquiring a polarized morphology and beginning to chemotax, Dictyostelium cells respond to cAMP signals by ...

September 2008 Biology of Reproduction highlights

... pollution on pregnancy outcomes could be related to changes in functional morphology of the placenta. The experiments employed a novel approach in which ... Dolhnikoff. Particulate Urban Air Pollution Affects the Functional morphology of Mouse Placenta. Biol Reprod 2008; 79:578-584. Published online in ...

Crop scientists discover gene that controls fruit shape

... and vegetables. Tomatoes are the model in this emerging field of fruit morphology studies, van der Knaap pointed out. We are trying to understand what kind ... same gene, or a gene that is closely related in sequence, control fruit morphology in other vegetables and fruit crops? Something else van der Knaap and ...

Leicester research paves way for first use in Europe of an insect to fight invasive plant

... eat the plant, but sucks the sap like an aphid, and also produces vast numbers of offspring on Japanese Knotweed plants, which severely affect the morphology and vigour of the plant. Dr Shaw added: "Since there has never been a release of a biocontrol agent for a plant species in Europe, extreme ...

Freshwater fish at the top of the food chain evolve more slowly

... researchers say. "At some point in the history of this group, some of them started feeding on fish," says Wainwright. "And once they achieved a morphology that was good at feeding on fish, they tended not to evolve away from that," he adds. "They were already good at catching the best thing out there. ...

Can a new implant coating technique create a new six million dollar man?

... surgeries so they can better walk, run and ultimately avoid rejection of the implant by their bodies. "The surface chemistry, structure and morphology of our new coatings resemble biological material," explains Prof. Eliaz. "We've been able to enhance the integration of the coating with the ...

Innovative system for monitoring coastline processes

... beaches along the Basque coast, which is why AZTI-Tecnalia is to study in depth the dynamic of the coast at these points and the relation with the morphology of the sands. The goal is correct coastal management that is compatible with the public enjoying their leisure at these locations while respecting ...

Discovery raises new doubts about dinosaur-bird links

... path alongside dinosaurs, starting that process before most dinosaur species even existed." These studies were just published in The Journal of morphology , and were funded by the National Science Foundation. It's been known for decades that the femur, or thigh bone in birds is largely fixed and ...

New and improved tomato analyzer

... of the team's latest Tomato Analyzer research were published in a recent issue of the Journal of the American Society for Horticultural Science . morphology studies the form and structure of organisms. Software such as the Tomato Analyzer aids in morphological research by providing accurate and objective ...

Penn biologists demonstrate that size matters... in snail shells

... the past century, with no evidence of changes in other shell characteristics. The Penn team's results demonstrate that monitoring changes in shell morphology requires careful accounting of variation in local conditions, such as wave exposure, which can affect not only shell shape but also size. Why have ...

Color test enhances tomato analyzer software

... of the research was to implement a new digital image analysis tool. According to the study, Tomato Analyzer was originally designed to analyze the morphology of tomato fruit. The researchers in this study developed a module for color measurement "to expand the array of objective phenotypic analyses ...

New book expands field data available on orangutans

... differences and similarities among orangutan species, subspecies and populations. Scientists are aware of significant variation in the behavior, morphology and life histories of orangutans, found only on the islands of Sumatra and Borneo, but the comparative approach in Orangutans: Geographic Variation ...

Largest prehistoric snake on record discovered in Colombia

... better, we will know more about how climate and climate change affect species, as well as how we can infer things about past climates from the morphology of the species that lived back then." Assuming the Earth today is not particularly unusual, Head and Dr Jonathan Bloch, Assistant Curator of ...

At 2,500 pounds and 43 feet, prehistoric snake is the largest on record

... better, we will know more about how climate and climate change affect species, as well as how we can infer things about past climates from the morphology of the species that lived back then." Assuming the Earth today is not particularly unusual, Head estimated a snake of Titanoboa's size would have ...

January-February GSA Bulletin media highlights

... Sedom diapir. Contrary to earlier assumptions, which stated that the salt pillar was formed by direct rainfall, the observed solutional notches and morphology of the neighboring chasm indicate that the salt pillar is due to a karstic cave that collapsed. The uppermost part of the cave still carried an ...

January GEOLOGY media highlights

... 19716, USA. Pages 19-22. Research published in Science early in 2008 suggested that the rivers in most of the eastern United States owe their morphology and ongoing processes to the construction of mill dams following European settlement, and their recent demise around the middle of the twentieth ...

New text focuses on formidable opportunistic fungus

... resource for both scientists and clinicians tackling the current problems with Aspergillosis. It presents chapters on the species itself, including morphology and unique and specific genes, the importance of polarized growth, as well as the organism's response to environmental stress by moving from a ...

Alpine rivers hold important clues for preserving biodiversity and coping with climate change

... "Colleagues in mainland Europe have been developing ideas of 'channel-widening' with managers, whereby the river is given more space to adjust its morphology (structure) in a dynamic way within reaches where space can be made available for this," said Gurnell. The idea here is to reconnect river ecosystems ...

Fitness in a changing world

... studied organisms in the wild, and has been a particularly useful model for understanding variation in physiology, behavior, life history and morphology caused by different ecological situations in the wild. On biological levels from molecular and genetic to developmental and morphological, and ...

October 2008 GEOLOGY and GSA TODAY media highlights

... across polar continental shelves, and possible ice-stream collapse and sea-level rise, has been much debated. High-resolution imagery of seafloor morphology is available for many polar shelves and fjords. Dowdeswell et al. infer the rapidity of ice retreat from diagnostic assemblages of submarine ...

Goulbourne earns NSF award to research heart stent sensors

... membranes, and impact mechanics of optically clear polymer films. Her long-term research focus is on developing a framework to connect material morphology with macroscopic response and performance of soft matter. ...

Diversity among parasitic wasps is even greater than suspected

... of the messages of this paper is that you really need all of these different kinds of data in order to tell the species apart that just using the morphology alone, or the genetic data or the ecological information alone isn't enough," said University of Illinois entomology professor James Whitfield, who ...

New giant clam species offers window into human past

... can measure up to a foot long and has a shell with a distinctive zig-zag outline, as a new variety. Analysis of those apparent differences in morphology confirmed that the species was in fact clearly distinct. To further resolve the relationship of this new variety to the other giant clams, Marc ...

August 2008 Geology and GSA Today media highlights

... caused the more recent ice ages, but Burgess et al. show that, at that time, there was little or no ice present on Earth. Three-dimensional morphology of magmatic sulfides sheds light on ore formation and sulfide melt migration Stephen Barnes et al., CSIRO Exploration and Mining, P.O. Box 1130, ...

Early origins of maize in Mexico

... the history of maize domestication. For example, the locus teosinte glume architecture 1 (tga1), is important in determining phytolith formation and morphology and, along with other "domestication genes" can be used to write the history of maize domestication and use by humans. All of these methods are ...

NYU scientists set stage for understanding how color vision is processed

... by the optics of the eye on the retina is then transferred to brain processing centers. Both retina and brain processing centers have specialized morphology and function to achieve their various tasks. In this study, the researchers studied processing of color vision, which requires comparison between ...

Mystery behind the strongest creature in the world

... turn black. Others have suggested that it is to do with warmth absorption at night. Questions remain. The techniques used to study the beetles morphology included new scanning techniques for electron images which over recent years have been refined to yield great depth and therefore help to create ...

Using DNA, scientists hunt for the roots of the modern potato

... says adds hard evidence to a debate often premised on guesswork. "The problem with these two theories is that they rely on inferences based on the morphology of old plant samples, as well as inferences based on historical records about day-length adaptation, shipping routes, and the role of the late blight ...

Ant parasite turns host into ripe red berry, biologists discover

... biology at the University of California, Berkeley. "It's just crazy that something as dumb as a nematode can manipulate its host's exterior morphology and behavior in ways sufficient to convince a clever bird to facilitate transmission of the nematode," Dudley said. "It's phenomenal that these ...

Biophysical Society announces winners of 2008 Student Travel Awards

... Degrees of Freedom in Proteins. Thomas E. Frederick, University of Florida, Characterization of Acyl Chain Dynamics, Packing, and Vesicle morphology of 18:1 BMP: An NMR and EPR Investigation. Aurelia R. Honerkamp-Smith, University of Washington, Line Tensions, Correlation Lengths, and ...

Bacteria that cause urinary tract infections invade bladder cells

... that some bacteria progress to a filament-like shape when exiting out of the biofilm. Rosen was able to identify bacteria with this filamentous morphology in 41 percent of samples from patients with symptomatic UTIs. Neither indicator was detected in urine from women who did not have active ...

Burrowing mammals dig for a living, but how do they do that?

... habitats, where going into the soil is their only option to eat or escape in the absence of trees. "There is, however, some evidence that the morphology and behavior required to dig in more compact or rocky soils is recognizably different from that used in softer soils," she said. "This study (still ...

Mice roar message: genetic change happens fast

... and two scientists who've studied the genetic makeup of a common field mouse report that what's most revealing to them is how fast both genes and morphology can change. Oliver Pergams, visiting research assistant professor of biological sciences at the University of Illinois at Chicago, and Robert ...
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