Tuesday, May 22, 2012

Modern dog breeds genetically disconnected from ancient ancestors

ScienceDaily (May 21, 2012) ? Cross-breeding of dogs over thousands of years has made it extremely difficult to trace the ancient genetic roots of today's pets, according to a new study led by Durham University.

An international team of scientists analyzed data of the genetic make-up of modern-day dogs, alongside an assessment of the global archaeological record of dog remains, and found that modern breeds genetically have little in common with their ancient ancestors.

Dogs were the first domesticated animals and the researchers say their findings will ultimately lead to greater understanding of dogs' origins and the development of early human civilization.

Although many modern breeds look like those depicted in ancient texts or in Egyptian pyramids, cross-breeding across thousands of years has meant that it is not accurate to label any modern breeds as "ancient," the researchers said.

Breeds such as the Akita, Afghan Hound and Chinese Shar-Pei, which have been classed as "ancient," are no closer to the first domestic dogs than other breeds due to the effects of lots of cross-breeding, the study found.

Other effects on the genetic diversity of domestic dogs include patterns of human movement and the impact on dog population sizes caused by major events, such as the two World Wars, the researchers added.

The findings were published May 21 in the scientific journal Proceedings of the National Academy of Sciences USA (PNAS). The Durham-led research team was made up of scientists from a number of universities including Uppsala University, Sweden, and the Broad Institute, in the USA.

In total the researchers analysed genetic data from 1,375 dogs representing 35 breeds. They also looked at data showing genetic samples of wolves, with recent genetic studies suggesting that dogs are exclusively descended from the grey wolf.

Lead author Dr Greger Larson, an evolutionary biologist in Durham University's Department of Archaeology, said the study demonstrated that there is still a lot we do not know about the early history of dog domestication including where, when, and how many times it took place.

Dr Larson added: "We really love our dogs and they have accompanied us across every continent.

"Ironically, the ubiquity of dogs combined with their deep history has obscured their origins and made it difficult for us to know how dogs became man's best friend.

"All dogs have undergone significant amounts of cross-breeding to the point that we have not yet been able to trace all the way back to their very first ancestors."

Several breeds, including Basenjis, Salukis and Dingoes, possess a differing genetic signature, which previous studies have claimed to be evidence for their ancient heritage, the research found.

However the study said that the unique genetic signatures in these dogs was not present because of a direct heritage with ancient dogs. Instead these animals appeared genetically different because they were geographically isolated and were not part of the 19th Century Victorian-initiated Kennel Clubs that blended lineages to create most of the breeds we keep as pets today.

The study also suggested that within the 15,000 year history of dog domestication, keeping dogs as pets only began 2,000 years ago and that until very recently, the vast majority of dogs were used to do specific jobs.

Dr Larson said: "Both the appearance and behavior of modern breeds would be deeply strange to our ancestors who lived just a few hundred years ago.

"And so far, anyway, studying modern breeds hasn't yet allowed us to understand how, where and when dogs and humans first started this wonderful relationship."

The researchers added that DNA sequencing technology is faster and cheaper than ever and could soon lead to further insights into the domestication and subsequent evolution of dogs.

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The above story is reprinted from materials provided by Durham University.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Patricio Jeraldo, Maksim Sipos, Nicholas Chia, Jennifer M. Brulc, A. Singh Dhillon, Michael E. Konkel, Charles L. Larson, Karen E. Nelson, Ani Qu, Lawrence B. Schook, Fang Yang, Bryan A. White, and Nigel Goldenfeld. Quantification of the relative roles of niche and neutral processes in structuring gastrointestinal microbiomes. PNAS, May 21, 2012 DOI: 10.1073/pnas.1206721109

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

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Egypt's election to decide army's political future

CORRECTS SPELLING OF LAST NAME - Several hundreds Imams listen to Muslim Brotherhood's presidential candidate Mohammed Morsi at a rally in Cairo, Egypt, Sunday, May 20, 2012. Egypt's election commission is vowing that next week's presidential election will be free and fair. The May 23-24 presidential election is the first since last year's ouster of longtime authoritarian ruler Hosni Mubarak. It marks the first time Egyptians will choose their leader in a race overseen by international monitors. (AP Photo/Fredrik Persson)

CORRECTS SPELLING OF LAST NAME - Several hundreds Imams listen to Muslim Brotherhood's presidential candidate Mohammed Morsi at a rally in Cairo, Egypt, Sunday, May 20, 2012. Egypt's election commission is vowing that next week's presidential election will be free and fair. The May 23-24 presidential election is the first since last year's ouster of longtime authoritarian ruler Hosni Mubarak. It marks the first time Egyptians will choose their leader in a race overseen by international monitors. (AP Photo/Fredrik Persson)

An Egyptian street vendor sells fruits in front of a wall filled with defaced posters of presidential candidates in Cairo, Egypt, Monday, May, 21, 2012. The May 23-24 presidential election is the first since last year's ouster of longtime authoritarian ruler Hosni Mubarak. (AP Photo/Hasan Jamali)

An Egyptian woman passes by a wall with defaced posters of presidential candidates in Cairo, Egypt, Monday, May, 21, 2012. The May 23-24 presidential election is the first since last year's ouster of longtime authoritarian ruler Hosni Mubarak (AP Photo/Hasan Jamali)

Egyptians pass by a defaced poster of a presidential candidate, Abdel-Moneim Abolfotoh in Cairo, Egypt, Monday, May, 21, 2012. The May 23-24 presidential election is the first since last year's ouster of longtime authoritarian ruler Hosni Mubarak. (AP Photo/Hasan Jamali)

Egyptians walk near a poster showing ousted president Hosni Mubarak, center, and presidential candidates Amr Moussa, left, Mubarak's foreign minister for 10 years, and Ahmed Shafiq, a former Air Force commander and civil aviation minister whom Mubarak made prime minister during his last days in power, with Arabic that reads, "they will not rule," in Cairo, Egypt, Monday, May 21, 2012. The May 23-24 presidential election is the first since last year's ouster of longtime authoritarian ruler Hosni Mubarak. It marks the first time Egyptians will choose their leader in a race overseen by international monitors. (AP Photo/Amr Nabil)

(AP) ? This week's landmark presidential election should end six decades of effective military rule in Egypt, but it remains unclear how much authority the generals who took over from Hosni Mubarak will cede to the elected leader.

One thing is certain, though: the generals want no interference with their budget, their economic empire or promotions.

The main question is whether a military that has grown accustomed to virtually unchallenged domination over the past six decades will be willing to quietly give it all up, or know how to deal with a civilian president if one is elected.

"It will take years before the military and civilians learn how to work together," said Michael W. Hanna, an Egypt expert from the Century Foundation in New York. "The generals don't want to rule, but they have a dim view of civilians. And there are things they are unlikely to budge on ? things they want to have a say in, like national security."

All of Egypt's four presidents since the overthrow of the monarchy in a 1952 coup have come from the military. The nation's most powerful institution, the military has over the years built a seemingly unshakable image as a bastion of patriotism and the defender of the nation.

Retired generals have consistently been given top government jobs as Cabinet ministers, ambassadors, provincial governors, chairmen of key state-owned firms or key posts in the private sector. Combined with the powers of the president, a loyal police force and a coterie of very wealthy businessmen, they have held a stranglehold on Egypt.

High on the list of their worries is whether the armed forces' budget will be subjected to public debate in the legislature, currently dominated by Islamists, most of whom are at sharp odds with the military.

There is also the question of whether the military's vast economic interests ? giant construction companies, farms, water-bottling facilities and a nationwide chain of gas stations ? would come under civilian oversight or be forced to compete for lucrative government contracts like everyone else.

Already, a member of the ruling military council has sternly warned that anyone who tries to touch the military's economic interests would be harshly dealt with.

One more source of concern is whether the next president would have the authority to pension off top brass after they reach the retirement age of 60. Many members of the ruling military council are well into their 60s or 70s.

None of these problems publicly surfaced under Mubarak, a career air force officer who allowed the military to freely pursue economic interests and accepted counsel from his defense minister on army promotions and retirement in return for the generals' support throughout his 29-year rule.

Confining the military's role to the defense of the nation has been a main demand by the pro-democracy groups who engineered the anti-Mubarak uprising and later called for the military to step down. Some want the generals to be put on trial to answer for alleged crimes during their rule, including the killing of peaceful protesters, torturing detainees and putting civilians on trial before military tribunals, including icon figures from the protest movement.

"Free and fair elections and the installation of a civilian president would be a step in the right direction," said Samer S. Shehata, an Egypt expert from Georgetown University. "It will be the first step in the retreat, or hopefully the removal, of the military from executive power."

Mubarak, the generals' mentor, is on trial for his life on charges of complicity in the killing of nearly 900 protesters during the uprising, as well as corruption. The 84-year-old former president is to be sentenced on June 2.

Perhaps with Mubarak's ordeal in mind, the military recently won protection for all personnel, whether retired or in active service, from being put on trial in civilian courts.

Publicly, the generals say they have no wish to remain in politics and would step down immediately if they could. Any talk of wanting to hold on to power is baseless, they say.

They have not shied away from singing their own praises, but their infrequent public appearances have meant they had to rely on a powerful state media, as well as influential journalists and several loyal private television stations to promote them as the nation's faithful sons.

"The military and bureaucracy are the pillars of the state of Egypt," commentator Gamal Abolhassan wrote in Sunday's online edition of the independent al-Shorouk daily. "Without them, Egypt would have certainly slid into complete chaos."

But it was under the military's watch, say critics, that Egypt has seen a surge in crime, the loss of half the country's foreign reserves as the economy faltered and the kind of disasters thought unimaginable just a little more than a year ago? including the deaths in February of more than 70 soccer fans in a riot as police stood by and watched.

The 13 candidates contesting the Wednesday-Thursday election include Islamists, liberals and two with military backgrounds, among them a retired air force commander who was Mubarak's last prime minister.

No outright winner is expected to emerge from the two-day vote, so a runoff is scheduled for June 16-17 between the two top finishers.

The election is the last stop in a turbulent transitional period before the generals hand back power by July 1 as they promised soon after Mubarak's ouster in last year's 18-day popular uprising.

Media leaks over the past week of an impending "constitutional declaration" sponsored by the military to give it vast powers and defining those of the next president have sparked fears the generals are trying to create "a state within the state."

The leaks prompted party leaders to enter emergency negotiations to try to come up with a constitutional declaration of their own. Meanwhile, the military has remained publicly silent on the issue.

Despite the controversy, the race's front-runners have apparently decided not to heighten tension with the military, at least for now.

Rights lawyer Khaled Ali was the only candidate to address the issue at a news conference called Monday to voice fears over any such constitutional declaration which, if issued, would serve as an interim charter pending the drafting of a permanent constitution.

The military, meanwhile, sought on Monday to head off any post-election unrest, reassuring Egyptians that it has no favorite in the race and that voters will decide the next president.

"It is important that we all accept the election results, which will reflect the free choice of the Egyptian people, bearing in mind that Egypt's democratic process is taking its first step and we all must contribute to its success," the ruling military council said in a statement.

There has been widespread speculation that the military favors Ahmed Shafiq, the former air force commander who served as Mubarak's civil aviation minister for 10 years before he named him prime minister in his final days in power.

A front-runner whose support has significantly risen in opinion polls in recent days, Shafiq's name is tainted by his links to Mubarak. Islamists have threatened massive protests if he is elected and contend that he could only win if the vote was rigged.

Associated Press

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US warns NKorea against another nuke test

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Monday, May 21, 2012

Local Email Marketing Tips To Try Today | weicome to team1708.org

Posted on 20-05-2012 by admin

Mailing List

Email marketing is one of the most popular and effective methods in promoting business online. It was probably one of the first, if not the first-ever marketing tool used on the internet. While it remains to be very powerful, it comes with some controversies. The biggest being it as a source of impersonal abuses. A lot of marketing messages have been labeled as ?Spam? because they flood people?s inboxes with annoying unwanted mails. For this reason, businesses which use this strategy are reminded to practice more caution in using the tool. In this article, let?s talk about some email marketing tips on how to do it.

Legitimately acquire email addressesThe main reason why some marketing materials are labeled as spam is because they are from unknown senders. If you would only take the time to politely ask prospective clients of their email information and tell why you?re asking, you can likely get a favorable response. This would even be more so if you offer to give something of value such as a discount certificate or seo videos or a free e-book. An e-book in exchange of an email address sounds quite fair, don?t you agree?

Tell a story and give a tipThe content of your mail must be something that tells a story and gives a tip. This portrays one of the email marketing best practices because it doesn?t only tell people what you offer but also why they should choose it among all the others in the same industry. Giving effective and practical advice shows that you are more than just a seller; you are someone who values relationships. Anyone would prefer to patronize someone who cares for their welfare than one who doesn?t.

Prioritize your readers at all timesYou can?t just follow too many technical email marketing tips without first knowing the importance of engaging your target market in your seo campaign. After all, they hold the future of your business. What do they want to learn about? What kind of advice do they need? The more you consider these things, the more you will truly know what they want. Subsequently, they will see through your motives and know that you can be trusted.

Welcome changes Changes are inevitable particularly in running a business. The market is very dynamic so it?s necessary that you are dynamic too. Otherwise, you won?t be able to keep up with the demands of the industry. If after several tries your email marketing efforts don?t seem to be yielding expected results, you should then be willing to review your methodology and revise what needs revising.

These are the email marketing tips you should consider for the success of your business. They are easy, practical, and can go a long way if you give them sufficient attention and time.

This entry was posted in general and tagged email marketing tips, SEO campaign, seo videos.

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Sunday, May 20, 2012

Water Tower Chairs, Cloud City, and More [Most Beautiful Items Of The Week]

There's a smorgasbord of lovely things for you to feast your eyes on this week. From chairs made from an old water tower to a wooden surf board, you'll have plenty of to enjoy in this week's most beautiful items. More »


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Sales Manager | Accent Professional Recruiting

May 18, 2012? | ? Posted by : accent? | ? Openings, South ?

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Sales Manager (#916)-National manufacturer seeking a leader to manage sales reps in implementing new strategies and identifying target markets.? Ideal candidate will have contacts in the architectural/design industry and 5 years managerial experience. Salary, benefits and expenses paid.


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Saturday, May 19, 2012

You can encounter a Prick | Acupuncture Online School

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