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A German town built a granary atop its Jewish cemetery. Now the bones are yielding insights about Ashkenazi DNA.
BERLIN (JTA) – The city of Erfurt in central Germany is home to an impeccably restored medieval synagogue made possible because local Jews had been expelled long before the Nazis began their campaign to destroy Jewish sites.
Now, Erfurt’s long-hidden Jewish past is again offering new insights — this time about the genetic history of Ashkenazi Jews.
Human remains from a medieval Jewish cemetery in Erfurt have allowed what researchers say is the largest ancient Jewish DNA study to date. Conducted without disinterring any remains, in keeping with Jewish law, the study published Wednesday in the scientific journal Cell found that Erfurt’s medieval Jewish community was more genetically diverse than their modern-day cousins, and carried many of the same Jewish genetic diseases — such as Tay Sachs and cystic fibrosis — that affect Ashkenazi Jews today.
“There have been many previous DNA studies, but not of Jews,” said geneticist Shai Carmi, a professor at the Hebrew University of Jerusalem, whose search for study material led him to an archaeological dig at the Jewish cemetery in Erfurt. He and his collaborators were able to analyze DNA of 33 individuals who died between 1270 and 1400, using teeth they found there.
The study follows a similar analysis revealed in August by researchers in England, who studied the DNA from skeletons found at the bottom of a medieval well and concluded that the remains were likely of victims of an antisemitic massacre in 1190. Analysis of six individuals prior to their identification as Jewish revealed that Ashkenazi Jews developed a unique genetic variation centuries earlier than realized.
The Erfurt analysis also includes samples from before the epidemic of Black Death that was until recently understood to have created the genetic “bottleneck” that created the genetic markers common among Ashkenazi Jews today.
Erfurt’s Jewish settlement existed from the 11th to 15th century, with a brief gap following a 1349 massacre perpetrated after the Jews were falsely blamed for causing the bubonic plague. Surviving Jews returned there, but after all Jews were expelled once and for all in 1454, the city built a granary on top of the Jewish cemetery.
Karin Sczech participates in the excavation at the medieval Jewish cemetery of Erfurt. (Courtesy of TLDA Ronny Krause)
In 2013, the city approved the repurposing of the unused granary into a parking lot. Because it was an historic site, a rescue excavation was initiated, overseen for the State of Thuringia by German archaeologist Karin Sczech.
Meanwhile, Carmi had been looking for Jewish cemeteries anywhere in the world “where we could analyze remains already excavated,” he told JTA in a telephone interview from Jerusalem. “I consulted historians and eventually reached the archeologist in Erfurt.” Fortunately, he said, “they still hadn’t reburied the remains.”
He approached Sczech, who later became a co-author of the new study. In 2018, with a supportive judgment from Rabbi Ze’ev Litke — an Israeli expert on genetics and Jewish law — and permission from Erfurt’s then-rabbi, Benjamin Kochan, work began to extract and analyze DNA from detached teeth found in the graves. (About 500 Jews live in Erfurt today, most of them having migrated from the former Soviet Union since 1990.)
American geneticist David Reich picked up the teeth and brought them back to the department of human evolutionary biology at Harvard University in Cambridge, Massachusetts, where drilling and DNA extraction took place.
While the skeletons were reburied, the teeth are still stored at the research institutes where they have been analyzed, in case scientists need to retest to verify the result.
The project provides an ethical basis for studies of ancient Jewish DNA, Carmi said. “Of course we couldn’t just go to a cemetery and dig and take out skeletons; this would be prohibited,” he said, referring to Jewish law prohibiting the removal of bones from where someone was buried.
But Litke opined that the study could be done, because the bones already had been disturbed for an unrelated reason. “He recommended using teeth, as the analysis does almost no damage,” Carmi said.
There are many motivations to study Jewish DNA: One can find lost relatives going back a few generations, and answer questions about Jewish origin of partners intending to marry. But the goal of Carmi’s team was “to fill the gaps in our understanding of Ashkenazi Jewish early history.”
There are several non-destructive ways to obtain DNA from human remains, said Carmi, who also works as a consultant to an Israeli firm that helps clients trace their genetic roots.
“You can take an almost microscopic slice of bone and extract DNA in a solution, or put the entire bone in a solution and extract the DNA without drilling, without disturbing the dead. This opens the way to doing studies even without teeth,” he added.
His team found that the Erfurt community appeared to fit into two genetically distinct groups, descending either from Middle Eastern or European populations. This genetic variability no longer exists, Carmi said.
At the same time, Carmi said, the analysis found remarkable continuity in the local community, as well. “One third of the Erfurt individuals descended from one woman through their maternal lines,” he said, adding that evidence suggested that she lived between 1,000 and 2,000 years ago.
In a press statement, geneticist Reich of Harvard said the work “also provides a template for how a co-analysis of modern and ancient DNA data can shed light on the past. Studies like this hold great promise not only for understanding Jewish history, but also that of any population.”
The research team, with more than 30 scientists, included Hebrew University’s Shamam Waldman, a doctoral student in Carmi’s group, who performed most of the data analysis.
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US Pulling Non-Essential Staff From Embassy in Beirut Amid Iran Tensions
A general view of a US State Department sign outside the US State Department building in Washington, DC, US, July 11, 2025. Photo: REUTERS/Annabelle Gordon
The State Department is pulling out non–essential government personnel and their eligible family members from the US embassy in Beirut, a senior State Department official said on Monday, amid growing concerns about the risk of a military conflict with Iran.
“We continuously assess the security environment, and based on our latest review, we determined it prudent to reduce our footprint to essential personnel,” said a senior State Department official, speaking on condition of anonymity.
“The Embassy remains operational with core staff in place. This is a temporary measure intended to ensure the safety of our personnel while maintaining our ability to operate and assist US citizens,” the official said.
A source at the US embassy said 50 people had been evacuated, while an official at Beirut airport said 32 embassy staff, along with family members, had flown out of Beirut airport on Monday.
The US has built up one of its biggest military deployments in the Middle East, with President Donald Trump warning on Thursday that “really bad things will happen” if no deal is reached to solve a longstanding dispute over Tehran’s nuclear program. Iran has threatened to strike American bases in the region if it is attacked.
“Should employees occupying emergency positions wish to depart post, please review alternative arrangements to fill the emergency position and consult with your regional bureau Executive Office as necessary,” said an internal State Department cable on the pullout, which was seen by Reuters.
The State Department on Monday updated its travel advisory for Lebanon, repeating its warning that US citizens should not travel to the country. Remaining embassy personnel are restricted from personal travel without advance permission and additional travel restrictions may be imposed “with little to no notice due to increased security issues or threats,” the advisory said.
American interests were repeatedly targeted in Lebanon in the 1980s during the 1975-90 civil war, during which the US held the Iran-backed Hezbollah responsible for attacks including the 1983 suicide bombing against the US Marines headquarters in Beirut, which killed 241 servicemen, and a 1983 suicide attack on the US embassy in Beirut that killed 49 embassy staff.
TALKS ON THURSDAY, DIVISIONS REMAIN
Meanwhile, US Secretary of State Marco Rubio, who is scheduled to travel to Israel on Saturday and meet with Prime Minister Benjamin Netanyahu, was still planning to do that, but “the schedule remains subject to change,” the US official said.
The United States wants Iran to give up its nuclear program, but Iran has adamantly refused and denied it is trying to develop an atomic weapon. Washington views enrichment inside Iran as a potential pathway to nuclear weapons.
Iranian Foreign Minister Abbas Araqchi said on Sunday that he expects to meet with Trump’s special envoy Steve Witkoff in Geneva on Thursday, adding that there was still “a good chance” of a diplomatic solution.
Both sides remain sharply divided – even over the scope and sequencing of relief from crippling US sanctions – following two rounds of talks, a senior Iranian official told Reuters.
Citing officials on both sides and diplomats across the Gulf and Europe, Reuters reported on Friday that Tehran and Washington are sliding rapidly toward military conflict as hopes fade for a diplomatic settlement.
On Sunday, Witkoff said the president was curious as to why Iran has not yet “capitulated” and agreed to curb its nuclear program.
It would be the second time the US and Israel have attacked Iran in less than a year, following US and Israeli airstrikes against military and nuclear facilities last June.
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Iranian Students Protest for Third Day as US Pressure Mounts
Protesters chant, ‘We’ll fight, we’ll die, we’ll reclaim Iran,’ at Al-Zahra University in Tehran, as they mark the 42nd day of mourning for those killed by the Iranian regime in recent anti-government protests. Photo: Screenshot taken Feb. 23, 2026, from social media video via Reuters Connect
Iranian students defied authorities with protests for a third day on Monday, weeks after security forces crushed mass unrest with thousands killed and as the United States weighs possible air strikes against the Islamic Republic.
State media outlets reported students chanting anti-government slogans at Tehran University, burning flags at the all-women al-Zahra University, and scuffles at Amir Kabir University, all located in the capital.
Reuters also verified video showing students at al-Zahra University chanting slogans including “we’ll reclaim Iran,” but was not able to confirm when it was recorded.
In a new sign of the mounting tension in the Middle East, the United States began pulling non-essential personnel and family members from the embassy in Beirut, a senior State Department official said.
US President Donald Trump has repeatedly threatened Iran since major nationwide protests across the country in January, saying on Thursday that “really bad things will happen” if talks between the countries fail to produce a deal.
Washington wants Iran to give up much of its nuclear program, which it believes is aimed at building a bomb, limit the range of its missiles to short distances, and stop supporting terrorist groups it backs in the Middle East.
It has built up forces across the Middle East, putting increased pressure on Iran as it weighs its response to US demands amid ongoing talks.
Iranian Supreme Leader Ayatollah Ali Khamenei already faces the gravest crisis of his 36-year tenure, with an economy struggling under the weight of international sanctions and growing unrest that broke out into major protests in January.
On Sunday Iranian President Masoud Pezeshkian said negotiations with the US had “yielded encouraging signals” even as a second US aircraft carrier headed towards the Middle East.
Trump has not laid out in detail his thinking on any possible Iran strike. A senior White House official told Reuters last week there was still no “unified support” within the administration to go ahead with an attack.
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US Military Begins Withdrawing From Main Base in Northeast Syria, Syrian Sources Say
An armored US military vehicle moves toward the Iraqi Kurdistan region as US troops withdraw from Qasrak military base in northeastern Syria, in Qamishli, Syria, Feb. 23, 2026. Photo: REUTERS/Orhan Qereman
US forces began pulling out of their largest base in northeastern Syria on Monday, three Syrian military and security sources said, part of a wider departure as the US-allied government in Damascus consolidates control.
Dozens of trucks, some carrying armored vehicles, departed the base at Qasrak in Hasakah province on Monday morning, witnesses said. Reuters footage later showed the trucks moving along a highway on the outskirts of the city of Qamishli.
A full withdrawal from Qasrak would still leave the US-led coalition with a base in Rmelan, also known as Kharab al-Jir, near the Iraqi border.
Qasrak has been a main hub for the US-led global coalition fighting Islamic State in Syria, where US troops deployed over a decade ago, partnering with the Kurdish-led Syrian Democratic Forces (SDF) against the jihadist group.
Asked for comment, a US defense official said: “We will not discuss future force posture or troop numbers to protect operational security.”
Neither the Syrian defense ministry nor the SDF responded to requests for comment.
DRAWDOWN EXPECTED TO TAKE WEEKS
One of the Syrian sources, a military official briefed on US plans, said the pullout was expected to take about a month, but that it remained unclear whether the withdrawal from the base was temporary or permanent.
The second Syrian source, also briefed on US plans, said it would take a number of weeks.
Since government forces under President Ahmed al-Sharaa seized control of swathes of the northeast from the SDF last month, US forces have withdrawn from a base at al-Shaddadi in Hasakah province, and a garrison at al-Tanf, located at the intersection of Syria‘s border with Iraq and Jordan.
A senior US official told Reuters on Wednesday that some US troops were leaving Syria as part of a “deliberate and conditions-based transition.”
The official said US presence at scale was no longer needed given the Syrian government’s “willingness to take primary responsibility for combating the terrorist threat within its borders.”
The Wall Street Journal reported last week that the US was withdrawing all of its roughly 1,000 troops from Syria.
Syria joined the US-led coalition to combat Islamic State last year. The terrorist group, which once controlled a third of Syria and Iraq, claimed responsibility for two attacks on Saturday that killed a soldier and a civilian.