Navigation Links
Tarantulas shoot silk from feet
Date:5/15/2011

Climbing is possibly one of the riskiest things an adult tarantula can do. Weighing in at anything up to 50gm, the dry attachment systems that keep daintier spiders firmly anchored are on the verge of failure in these colossal arachnids. 'The animals are very delicate. They wouldn't survive a fall from any height,' explains Claire Rind from the University of Newcastle, UK. In 2006, Stanislav Gorb and his colleagues published a paper in Nature suggesting that tarantulas may save themselves from falling by releasing silk threads from their feet. However, this was quickly refuted by another group that could find no evidence of the silk. Fascinated by spiders and intrigued by the scientific controversy, Rind decided this was too good a challenge to pass up and discovered that tarantulas shoot silk from their feet when they lose their footing. She publishes her results in The Journal of Experimental Biology at http://jeb.biologists.org/content/214/11/1874.abstract.

Teaming up with undergraduate Luke Birkett, Rind tested how well three ground-dwelling Chilean rose tarantulas kept their footing on a vertical surface. Gently placing one of the animals in a very clean aquarium with microscope slides on the floor, the duo cautiously upended the aquarium to see if the tarantula could hang on. 'Given that people said tarantulas couldn't stay on a vertical surface, we didn't want to find that they were right,' remembers Rind. But the spider didn't fall, so the duo gave the aquarium a gentle shake. The tarantula slipped slightly, but soon regained its footing. So the spider had held on against the odds, but would Rind find silk on the microscope slides?

Looking at the glass by eye, Rind couldn't see anything, but when she and Birkett looked closely under a microscope, they found minute threads of silk attached to the microscope slide where the spider had stood before slipping.


'/>"/>
Contact: Kathryn Knight
kathryn@biologists.com
44-078-763-44333
The Company of Biologists
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Shootingstars provide clues to likely response of plants to global warming
2. Root or shoot
3. Origin of root offshoots revealed
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/19/2014)... Dec. 18, 2014 Research and Markets ... "Micro Market Monitor: North America Perimeter Security Systems ... http://photos.prnewswire.com/prnh/20130307/600769 The North American ... CAGR of 3.6% from 2014 to 2019. Although the ... Canada is expected to grow ...
(Date:12/17/2014)... 15, 2014 Research and Markets ... the "Samsung Galaxy S5 - Home Button ... their offering. http://photos.prnewswire.com/prnh/20130307/600769 ... sensing technology than the iPhone 5S, Samsung introduces ... its product. The Galaxy S5 home ...
(Date:12/17/2014)... 16, 2014 Valencell, a leader in performance ... technology to industry leaders such as Intel, Jabra, Atlas, ... biometric wearable products. These products will be showcased at ... Las Vegas . "Our partners ... and robust – with the clinical data to back ...
Breaking Biology News(10 mins):Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 2Micro Market Monitor: North America Perimeter Security Systems Market (Intrusion Detection Sensor, Video Surveillance, Communication/Alarm and Notification, Access Control System) 3Samsung Galaxy S5 - Home Button Synaptics Fingerprint Sensor Technology Analysis 2Valencell PerformTek Biometrics Power the Most Accurate Wearables at CES 2015 2
... from the King Juan Carlos University (URJC) have carried ... looked at whether spiders were more tolerant of human ... suffer the consequences of changes to their landscape just ... number of spider species is negatively affected by the ...
... researchers from Tel-Aviv University show that predator-prey interactions between ... amphibians are much more complex than expected. The study ... Keys . , "Amphibians are typical insect predators and ... particular. The recently filmed successful attacks of the beetles ...
... from a late-night infomercial: It can twist and bend ... help you fend off disease! But in this ... including the U.S. Department of Energy,s Lawrence Berkeley National ... protein-making machine, the ribosome, at key stages of its ...
Cached Biology News:Spiders suffer from human impact 2Small insects attacks and kill amphibians much bigger than themselves 2Atomic-scale structures of ribosome could help improve antibiotics 2Atomic-scale structures of ribosome could help improve antibiotics 3
(Date:12/19/2014)... , Dec. 19, 2014 Decision Resources ... will grow at a 12 percent compound annual growth ... of the aging population and the increasing adoption of ... America will also spur demand for dental ... dental implant and periodontal treatments. Other key ...
(Date:12/19/2014)... LayerBio is an MIT spin-off developing ... The National Eye Institute (NEI) at the National Institutes ... SBIR grant to develop a drug-eluting intraocular lens (IOL) ... cause of vision loss in people over age 40 ... Dr. Ken Mandell, LayerBio’s Founder and CEO, "There is ...
(Date:12/19/2014)... (PRWEB) December 19, 2014 In contrast ... of LEDs with various colors, Valoya uses proprietary LED ... This offers best possible uniformity which is critical in ... and high spectral accuracy throughout its lifetime which is ... LED tubes. , "The investment cost was clearly ...
(Date:12/19/2014)... Dec. 18, 2014 Egenix, Inc. is pleased to ... Chairman of the Board, to succeed Donald Fresne ; ... will continue as a member of the Board.  In recognition ... to the company over almost twenty years, the Board designated ... of Directors has established a Search Committee to find a ...
Breaking Biology Technology:Latin American Dental Biomaterial Market Will Expand at a 12 Percent Annual Growth Rate Through 2023 2Latin American Dental Biomaterial Market Will Expand at a 12 Percent Annual Growth Rate Through 2023 3LayerBio Awarded NIH Grant to Develop a Drug Delivery Device for Cataract Surgery 2
... Germany, May 12 , - ... , The number of employees in ... 2006 and 2008. In this same period, the number of,companies ... These,figures were presented today by Dr. Klaus-Dieter Juszak, Chairman of ...
... treatment of Spinal Muscular Atrophy SOUTH PLAINFIELD, N.J. and ... and the Spinal Muscular Atrophy (SMA) Foundation today announced ... SMA Foundation will provide up to $8.5 million in ... of the collaboration to fund a series of research ...
... /PRNewswire-FirstCall/ - Oncolytics Biotech Inc. ("Oncolytics") (TSX:ONC, NASDAQ: ... has successfully completed patient enrolment in its multi-centre Phase ... REOLYSIN(R) in patients with various sarcomas that have metastasized ... been enrolled in the trial. , "We are extremely ...
Cached Biology Technology:10,000 New Jobs, Investments Increased 210,000 New Jobs, Investments Increased 3PTC Therapeutics and Spinal Muscular Atrophy Foundation Announce $8.5 Million Small Molecule Development Collaboration 2PTC Therapeutics and Spinal Muscular Atrophy Foundation Announce $8.5 Million Small Molecule Development Collaboration 3Oncolytics(R) Biotech Inc. Completes Patient Enrolment in U.S. Phase 2 Sarcoma Study 2Oncolytics(R) Biotech Inc. Completes Patient Enrolment in U.S. Phase 2 Sarcoma Study 3
Request Info...
Prepared by multi-temperature ethanol fractionation with extensive charcoal treatment and dialysis.• Assay: ≥ 95 % (HPCE)• pH ~5.2 (10 mg/mL in 0.15 M NaCl)...
Collected from animals that are 16 to 18 months old. Sterile, Cell culture tested, ID clarifier: USA Origin...
Contact us for more information...
Biology Products: