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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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Rights Groups Say at Least 16 Dead in Iran During Week of Protests
People walk past closed shops following protests over a plunge in the currency’s value, in the Tehran Grand Bazaar in Tehran, Iran, December 30, 2025. Photo: Majid Asgaripour/WANA (West Asia News Agency) via REUTERS
At least 16 people have been killed during a week of unrest in Iran, rights groups said on Sunday, as protests over soaring inflation spread across the country, sparking violent clashes between demonstrators and security forces.
Deaths and arrests have been reported through the week both by state media and rights groups, though the figures differ. Reuters has not been able to independently verify the numbers.
The protests are the biggest in three years. Senior figures have struck a softer tone than in some previous bouts of unrest, at a moment of vulnerability for the Islamic Republic with the economy in tatters and international pressure building.
SUPREME LEADER SAYS IRAN WILL NOT YIELD TO ENEMY
President Masoud Pezeshkian told the Interior Ministry to take a “kind and responsible” approach toward protesters, according to remarks published by state media, saying “society cannot be convinced or calmed by forceful approaches.”
That language is the most conciliatory yet adopted by Iranian authorities, who have this week acknowledged economic pain and promised dialogue even as security forces cracked down on public dissent in the streets.
US President Donald Trump has threatened to come to the protesters’ aid if they face violence, saying on Friday “we are locked and loaded and ready to go,” without specifying what actions he was considering.
That warning prompted threats of retaliation against US forces in the region from senior Iranian officials. Supreme Leader Ayatollah Ali Khamenei said Iran “will not yield to the enemy.”
Kurdish rights group Hengaw reported that at least 17 people had been killed since the start of the protests. HRANA, a network of rights activists, said at least 16 people had been killed and 582 arrested.
Iran’s police chief Ahmad-Reza Radan told state media that security forces had been targeting protest leaders for arrest over the previous two days, saying “a big number of leaders on the virtual space have been detained.”
Police said 40 people had been arrested in the capital Tehran alone over what they called “fake posts” on protests aimed at disturbing public opinion.
The most intense clashes have been reported in western parts of Iran but there have also been protests and clashes between demonstrators and police in Tehran, in central areas, and in the southern Baluchistan province.
Late on Saturday, the governor of Qom, the conservative centre of Iran’s Shi’ite Muslim clerical establishment, said two people had been killed there in unrest, adding that one of them had died when an explosive device he made blew up prematurely.
HRANA and the state-affiliated Tasnim news agency reported that authorities had detained the administrator of online accounts urging protests.
CURRENCY LOST AROUND HALF ITS VALUE
Protests began a week ago among bazaar traders and shopkeepers before spreading to university students and then provincial cities, where some protesters have been chanting against Iran’s clerical rulers.
Iran has faced inflation above 36 percent since the start of its year in March and the rial currency has lost around half its value against the dollar, causing hardship for many people.
International sanctions over Iran’s nuclear program have been reimposed, the government has struggled to provide water and electricity across the country through the year, and global financial bodies predict a recession in 2026.
Khamenei said on Saturday that although authorities would talk to protesters, “rioters should be put in their place.”
Speaking on Sunday, Vice President Mohammadreza Aref said the government acknowledged the country faced shortcomings while warning that some people were seeking to exploit the protests.
“We expect the youth not to fall into the trap of the enemies,” Aref said in comments carried by state media.
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Antisemitic Graffiti Painted on the Facade of Canada Synagogue
Antisemitic graffiti on a synagogue in Winnipeg, Canada. Photo: CIJA, via i24.
i24 News – The Winnipeg police in central Canada have opened a hate crime investigation after the discovery of swastikas and antisemitic messages spray-painted on the exterior of the Shaarey Zedek synagogue, one of the city’s main Jewish congregations. The graffiti is believed to have been done during the night from Saturday to Sunday.
The acts of vandalism were discovered early in the morning. Several hateful symbols were visible on exterior parts of the building. No injuries were reported. Officers went to the scene to assess the damage and secure the premises. The police are currently reviewing surveillance footage from the area and are asking anyone with information to come forward.
The incident has drawn strong condemnation from national and local Jewish organizations. The Centre for Israel and Jewish Affairs (CIJA) denounced these acts, stressing that the desecration of Jewish institutions with Nazi symbols requires a firm response from municipal and police authorities.
The Jewish Federation of Winnipeg has also condemned what it calls “pure hatred,” warning that the repeated targeting of Jewish institutions poses a serious threat to the community’s safety. It has once again encouraged citizens to promptly report any hate-related incident to enable investigators to gather the necessary evidence.
These graffiti have appeared in a context of rising antisemitic incidents across the country. Community organizations note that synagogues, schools, and Jewish centers are increasingly being targeted, particularly during times of international tension, even when they have no direct connection to those events.
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Oil Prices Likely to Move Higher on Venezuelan Turmoil, Ample Supply to Cap Gains
FILE PHOTO: The Guinea-flagged oil tanker MT Bandra, which is under sanctions, is partially seen alongside another vessel at El Palito terminal, near Puerto Cabello, Venezuela December 29, 2025. Photo: REUTERS/Juan Carlos Hernandez/File Photo
Oil prices are likely to move higher when benchmark futures resume trading later on Sunday on concern that supply may be disrupted after the United States snatched Venezuelan President Nicolas Maduro from Caracas at the weekend and President Donald Trump said Washington would take control of the oil-producing nation.
There is plentiful oil supply in global markets, meaning any further disruption to Venezuela’s exports would have little immediate impact on prices, analysts said.
The US strike on Venezuela to extract the country’s president inflicted no damage on the country’s oil production and refining industry, two sources with knowledge of operations at state oil company PDVSA said at the weekend.
Since Trump imposed a blockade of sanctioned oil tankers entering or leaving Venezuelan waters and seized two cargoes last month, exports have fallen and have been completely paralysed since January 1.
That has left millions of barrels stuck on loaded tankers in Venezuelan waters and led to millions more barrels going into Venezuelan oil storage.
The OPEC member’s exports fell to around 500,000 barrels per day in December, around half of what they were in November. Most of the December exports took place before the embargo. Since then, only exports from Chevron of around 100,000 bpd have continued to leave Venezuela. The global oil major has US authorization to produce and export from Venezuela despite sanctions.
The embargo prompted PDVSA to begin cutting oil output, three sources close to the decision said on Sunday, because Venezuela is running out of storage capacity for the oil that it cannot export. PDVSA has asked some of the joint ventures that are operating in the country to cut back production, the sources said. They would need to shut down oilfields or well clusters.
Trump said on Saturday that the oil embargo on Venezuelan exports remained in full effect. If the US government loosens the embargo and allows more Venezuelan crude exports to the US Gulf, there are refiners there that previously processed the country’s oil.
The weekend’s events were unlikely to materially alter global oil markets or the global economy given the US strikes avoided Venezuela’s oil infrastructure, said Neil Shearing, group chief economist at Capital Economics.
“In any case, any short-term disruption to Venezuelan output can easily be offset by increased production elsewhere. And any medium-term recovery in Venezuelan supply would be dwarfed by shifts among the major producers,” he said in a note.
Trump also threatened on Friday to intervene in a crackdown on protests in Iran, another OPEC producer, ratcheting up geopolitical tensions. Trump on Friday said “we are locked and loaded and ready to go,” without specifying what actions he was considering against Tehran, which has seen a week of unrest as protests over soaring inflation spread across the country.
“Prices may see modest upside on heightened geopolitical tensions and disruption risks linked to Venezuela and Iran, but ample global supply should continue to cap those risks for now,” said Ole Hansen, head of commodities research at Saxo Bank.
On Sunday, the Organization of the Petroleum Exporting Countries and their allies agreed to maintain steady oil output in the first quarter, OPEC+ said in a statement. Both Venezuela and Iran are members of OPEC. Several other members of OPEC+ are also embroiled in conflict and political crises.
The producer group has put increases in production on pause for the first quarter after raising output targets by around 2.9 million barrels per day from April to December 2025, equal to almost 3% of world oil demand.
Brent and US crude futures settled lower on Friday, the first day of trading of 2026, as investors weighed oversupply concerns against geopolitical risks. Both contracts closed 2025 with their biggest annual loss since 2020 marked by wars, higher tariffs, increased OPEC+ output and sanctions on Russia, Iran and Venezuela.
VENEZUELA
“The political transition in Venezuela adds another major layer of uncertainty, with elevated risks of civil unrest and near-term supply disruptions,” said Jorge Leon, head of geopolitical analysis at consultancy Rystad Energy and a former OPEC official.
“In an environment this fragile, OPEC+ is choosing caution, preserving flexibility rather than introducing new uncertainty into an already volatile market.”
Trump said on Saturday that the US would control the country until it could make an orderly transition, but an interim government led by vice president and oil minister Delcy Rodriguez remains in control of the country’s institutions, including state energy company PDVSA, with the blessing of Venezuela’s top court.
A top Venezuelan official said on Sunday that the country’s government would stay unified behind Maduro amid deep uncertainty about what is next for the Latin American country.
Trump said that American oil companies were prepared to reenter Venezuela and invest billions of dollars to restore production there.
Venezuela is unlikely to see any meaningful boost to crude output for years even if US oil majors do invest the billions of dollars in the country that Trump has promised, analysts said.
“We continue to caution market observers that it will be a long road back for the country, given its decades-long decline under the Chávez and Maduro regimes, as well as the fact that the US regime change track record is not one of unambiguous success,” Helima Croft, RBC Capital’s head of commodities research, said in a note.