Navigation Links
Squid ink from Jurassic period identical to modern squid ink, U.Va. study shows
Date:5/21/2012

h that I would argue that the pigmentation in this class of animals has not evolved in 160 million years," Simon said. "The whole machinery apparently has been locked in time and passed down through succeeding generations of cuttlefish. It's a very optimized system for this animal and has been optimized for a long time."

Generally animal tissue, made up mostly of protein, degrades quickly. Over the course of millions of years all that is likely to be found from an animal is skeletal remains or an impression of the shape of the animal in surrounding rock. Scientists can learn much about an animal by its bones and impressions, but without organic matter they are left with many unanswered questions.

But melanin is an exception. Though organic, it is highly resilient to degradation over the course of vast amounts of time.

"Out of all of the organic pigments in living systems, melanin has the highest odds of being found in the fossil record," Simon said. "That attribute also makes it a challenge to study. We had to use innovative methods from chemistry, biology and physics to isolate the melanin from the inorganic material."

The researchers cross-checked their work using separate complementary experiments designed to capitalize on various molecular features unique to melanin and determined the morphology and chemical composition of the material. This combination of in-depth, multidisciplinary techniques is not normally used by paleontologists to study fossil samples.

"I think the strength of this paper is that it is not tied to a single method," Simon said. "Any one technique would have brought some insights, but potentially more questions than insights. It was really the more holistic approach that fully characterized it and allowed us to actually do a real comparison between what existed during the Jurassic period and what exists now.

"It's also given us a handle on ways of identifying organic components in fossils that might
'/>"/>

Contact: Fariss Samarrai
fls4f@virginia.edu
434-924-3778
University of Virginia
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Ocean acidification from CO2 emissions will cause physiological impairment to jumbo squid
2. URI researcher sheds light on man-eating squid; finds them timid, non-threatening
3. URI researcher sheds light on man-eating squid; finds them timid, nonthreatening
4. Habitat of elusive Northern squid documented by researcher
5. Squid studies provide valuable insights into hearing mechanisms
6. Squid pheromone sparks extreme aggression on contact
7. Sneaky squid: Why small males have big sperm
8. Squid mystery in Mexican waters unraveled by Stanford biologist and a class of students
9. Basketball-sized eyes help squids play defense
10. Giant squids giant eyes: The better to see hungry whales with
11. Jurassic Park had it right: Some dinosaurs hunted by night
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/19/2014)... Research and Markets ( http://www.researchandmarkets.com/research/8kmfcn/iphone_5s ... "iPhone 5S Fingerprint Sensor - Apple/AuthenTec TMDR92 & ... offering. http://photos.prnewswire.com/prnh/20130307/600769 ... July 2012, Apple introduced the fingerprint reading feature ... only device of Apple incorporating such a feature, ...
(Date:12/19/2014)... 2014   LaunchKey , the first decentralized mobile ... Internet of Things era, today announced the close of ... was led by Metamorphic Ventures with participation from ENIAC ... and others.  LaunchKey has raised $4 million to date, ... team and bring LaunchKey to market in 2015. ...
(Date:12/17/2014)... , Dec. 15, 2014  HITLAB SM ... Clinical Practices (GCP) audit to confirm its adherence ... regulations. This accomplishment enables HITLAB to conduct regulated ... the highest principles for patient safety and research ... global healthcare access, quality, and delivery with innovative ...
Breaking Biology News(10 mins):iPhone 5S Fingerprint Sensor - Apple/AuthenTec TMDR92 & Sapphire - Technology Report 2LaunchKey Raises $3 Million in Additional Funding Led by Metamorphic Ventures 2LaunchKey Raises $3 Million in Additional Funding Led by Metamorphic Ventures 3HITLAB Completes GCP Audit for FDA Smart Device & App Compliance 2
... for more than 50 years as one of the ... disorder. However, scientists have never been entirely sure ... from Cardiff University scientists suggests a possible mechanism for ... of the illness and potentially more effective treatments. ...
... obese people become salt sensitive and hypertensive has been ... They,ve documented a chain of events in which excess ... to retain more sodium and, consequently, more fluid and ... cardiologist at MCG,s Georgia Prevention Institute. Their findings ...
... carbon dioxide continues to burgeon in the atmosphere causing the ... to remove the excess gas from the atmosphere and store ... Gislason of the University of Iceland has been studying the ... basalt and presented his findings today to several thousand geochemists ...
Cached Biology News:Connection elucidated between obesity, salt sensitivity and high blood pressure 2Storing carbon dioxide deep underground in rock form 2
(Date:12/22/2014)... Dec. 22, 2014  ( www.competitivehealth.com ) — Competitive ... medical bill review and advocacy service, has signed an ... WellCard Savings discount health services marketplace. 63% ... more than they expected to pay. As part of ... costs, WellCard Savings is pleased to offer medical bill ...
(Date:12/22/2014)... 22, 2014 Fertility Associates of Memphis ... Bank USA , a network of more than 20 ... partnership, patients have fast access to a national pool ... IVF . Fertility Associates of Memphis is the only ... treatment option. , Dr. William Kutteh , director ...
(Date:12/19/2014)... BioPlus Specialty Pharmacy (BioPlus), one ... of Nick Maroulis, Pharm.D. to the newly created position ... In this position, Dr. Maroulis will continue to manage ... of our multi-site pharmacies as the company expands. Dr. ... that time he has served in many different capacities ...
(Date:12/19/2014)... Dec. 19, 2014 Bina Technologies, Inc. (Bina, ... that they have been acquired by Roche (SIX: RO, ... privately held company that provides a big data platform ... (NGS) data for the academic and translational research markets. ... and will continue to focus on development of their ...
Breaking Biology Technology:WellCard Savings Announces CoPatient Medical Bill Review Service for Members 2Fertility Associates of Memphis Announces Partnership with Donor Egg Bank USA 2Fertility Associates of Memphis Announces Partnership with Donor Egg Bank USA 3BioPlus Specialty Pharmacy Promotes Dr. Nick Maroulis to Vice President of Specialty Pharmacy Services 2Bina Technologies is acquired by Roche. 2Bina Technologies is acquired by Roche. 3
... investment bankers, international start-up, CEOs, business development executives, and ... ... the globe, MASSAPEQUA, N.Y. and ... conference organizer,and BioEnterprise Corporation, the Cleveland-based bioscience business,formation, recruitment, and ...
... - Newly Established Organization Presents Data on ... Research & Development (ORD), a unit of Johnson,& ... from studies of three innovative compounds--Hdm2, c-Met, and ... Research (AACR),2008 Annual Meeting., "ORD is a ...
... Biopure,Corporation (Nasdaq: BPUR ) announced ... products Regulatory Agency (MHRA) has found the,company,s ... compliance,with the principles and guidelines of good ... The company received confirmation,that it has responded ...
Cached Biology Technology:IBF Conferences Inc*International Business Forum and BioEnterprise Corporation present the 2nd Annual Global Healthcare Investing Conference 2IBF Conferences Inc*International Business Forum and BioEnterprise Corporation present the 2nd Annual Global Healthcare Investing Conference 3Ortho Biotech Oncology Research & Development Unites Johnson & Johnson Biopharmaceutical Oncology R&D Assets 2Ortho Biotech Oncology Research & Development Unites Johnson & Johnson Biopharmaceutical Oncology R&D Assets 3Ortho Biotech Oncology Research & Development Unites Johnson & Johnson Biopharmaceutical Oncology R&D Assets 4Ortho Biotech Oncology Research & Development Unites Johnson & Johnson Biopharmaceutical Oncology R&D Assets 5Biopure Operations Compliant With U.K. Manufacturing Guidelines 2Biopure Operations Compliant With U.K. Manufacturing Guidelines 3
Whole blood is collected from canines (any breed, either sex), refrigerated within 6 hours, processed within 24 hours and frozen at -20C....
acridine orange 10-nonyl bromide (nonyl acridine orange)...
anti-dansyl, rabbit IgG fraction *1 mg/mL* Secondary Detection; Anti-Dye and Anti-Hapten Antibodies...
Because it is manufactured at our ISO 9001–certified facilities in Eugene, Oregon, we can guarantee that FluoroPure grade propidium iodide is greater than or equal to 98% pure by HPLC....
Biology Products: