Lucky LUCA Was Already Complex

first_imgSimple to complex: that’s been the essence of evolutionary theory ever since Charles Darwin imagined some organic molecules coming together in a warm little pond eons ago.  Whatever simple life form emerged from his pond started his evolutionary process that led to the human brain.  But what if the “last universal common ancestor” was already highly complex?  What if bacteria and archaea are “devolved” remnants of a more complex ancestor?  That’s exactly what a new study is claiming. “Last universal common ancestor [LUCA] more complex than previously thought” is the headline on PhysOrg.  Here’s what’s out: “Many believe LUCA was little more than a crude assemblage of molecular parts, a chemical soup out of which evolution gradually constructed more complex forms. Some scientists still debate whether it was even a cell.”  Not according to a study from the University of Illinois at Urbana-Champaign: “New evidence suggests that LUCA was a sophisticated organism after all, with a complex structure recognizable as a cell, researchers report.” The article goes on to describe discovery of an enzyme common to all three kingdoms of microbes.  This enzyme, vacuolar proton pyrophosphatase, has been found in prokaryotic bacteria, along with a structure that is “physically, chemically and functionally the same as an organelle called an acidocalcisome” that is common in eukaryotic cells.  Acidocalcisomes are complex organelles that help control osmosis.  They contain protein pumps and gates that actively transport water, calcium, and ions.  An analogous structure and enzyme is also present in archaea.  Conclusion: the “last universal common ancestor” (LUCA) was already complex enough to contain these organelles, along with their molecular machines, and therefore “may have been more complex even than the simplest organisms alive today,” according to James Whitfield, a co-author of the study published in Biology Direct. Whitfield said that today’s bacteria may appear primitive because they are stripped-down versions of earlier complex cells.  Because they live in extreme environments and have to reproduce quickly, bacteria could represent specialized cells that are simpler than LUCA had to be.  “You can’t assume that the whole story of life is just building and assembling things,” he said.  The last sentence of the article is another quote by Whitfield: “We may have underestimated how complex this common ancestor actually was.” The “universal common ancestor” meme is common in evolutionary reports.  A separate example can be found in a BBC News story about a scientist from Northern Arizona University who watched living fish jump by flipping their tails.  All of a sudden she envisioned a mythical universal fish jumping ancestor: “It suggests that, rather than a rare adaptation that evolved in a select few species, the ability to leap on land is common among bony fishes. So many more of their ancient aquatic relatives might have invaded the land than had previously been thought.”  She immediately thought “In my mind, that opens up the fossil record to re-interpretation,” adding, “The last common ancestor of the two species examined in this study lived about 150 million years ago,” she said, “which implies that the behaviour is at least that old.” One should not think, though, that common ancestors are necessarily simple.  PhysOrg published another discovery from Oxford University that shows another complex structure found in every cell from bacteria to humans: snake-like structures called cytophidia (“cell snakes”) whose functions are unknown.  They move around in cells and seem to have something to do with an enzyme called CTP synthase that plays a role in the formation of CTP, a building block of RNA and DNA.  The enzymes become organized in structures that move throughout the cell.  “Cytoophidia have heads and tails and can move around. They really do look like snakes,” one researcher said.  Their numbers appear tightly controlled by the cell.  The discovery led to a general principle about cells that reverberates back on the LUCA story, too: The cell needs an organized structure to bring this industry of biochemical reactions under control, with many processes cordoned off in separate chambers, capsules and compartments. It allows related reactions to be better controlled and regulated, with the right concentrations of the different molecules brought together in the right environment. After all, you don’t just bung all the ingredients into a chemical engineering plant, a brewery or a baking tin imagining that the recipe will be fine. “The beauty of a well-organized cell has not been appreciated by everyone. Without the structure, a bag of the same amounts of all the molecules would not do the same thing as a living cell,” explains Ji-Long. “Compartmentation could be a general feature for many enzymes in a cell,” he believes. The number of essential parts of a free-living cell is growing.  This puts pressure on evolutionists to (1) explain how these complex structures and enzymes each emerged individually without a designer, and (2) explain how the last universal common ancestor got them all together at the same time, in the right concentrations, in the right compartments, working in a coordinated fashion, encoded in DNA, with machinery to replicate the entire cell faithfully, so that natural selection could act on future generations. The fish story is just that (a fish story), but the LUCA story provides continuing confirmation of a trend seen for a decade (search on LUCA in our search bar, or go to 07/12/2010 “Bacteria Too Complex to Be Primitive Eukaryote Ancestors,” 01/14/2008 “Bacteria to the Future”, and 2/29/2004 “Was Their a Single Common Ancestor for All Life?” where Whitfield and the U of Illinois crew were struggling seven years ago with the LUCA myth).  It confirms again that bacteria cannot be considered primitive transitional forms from the “RNA World” or whatever other speculative scenario the evolutionist wants to conjure up, as if “primitive” prokaryotes “emerged” from a chemical soup, then “tinkered” for a billion years or more before becoming eukaryotes.  It puts more strain on origin-of-life scenarios, because the first cell had to “innovate” all this machinery early on by a blind, purposeless, unguided process.  We report this not that one must accept the LUCA myth; it just shows that even using their own assumptions, evolutionists are having a harder time against the facts. Notice in the article that the lead author, Manfredo Suefferheld, who found the acidocalcisome in bacteria in 2003, said that finding organelles in bacteria went against tradition.  “It was a dogma of microbiology that organelles weren’t present in bacteria,” he said.  Science would be better without dogma.  Darwinism puts the fog in dogma, producing fogma, a dogma so thick you can’t see it unless you are outside of it.  The Darwin Party then puts the dog in fogma, sending their attack dogs barking and biting anyone who tries to clear the air.(Visited 66 times, 1 visits today)FacebookTwitterPinterestSave分享0last_img read more

Rajnath Singh requests Tripura Governor and DGP to check violence

first_imgAmid reports of sporadic violence in Tripura, Home Minister Rajnath Singh on Tuesday spoke to the State governor and the DGP and asked them to ensure peace till a new government is installed, an official said.During the telephonic calls, Governor Tathagata Roy and DGP A.K. Shukla apprised the Union Home Minister about the prevailing situation in Tripura and steps taken to control the violence, which erupted following the BJP-IPFT alliances victory over the CPI-M, ousting the Manik Sarkar-led government in the just concluded Assembly elections.  Mr. Singh asked the governor and the DGP to check all kinds of violence and ensure peace till a new government is installed in Tripura, the home ministry official said.There have been reports of sporadic violence and clashes between rival political groups in different parts of Tripura after the election results were declared on Saturday.A statue of Left icon Lenin was also demolished at Belonia town in South Tripura yesterday with the help of a bulldozer.Tripura witnessed a change in rule after 25 years in the recently concluded Assembly elections. The BJP demolished the Left citadel in Tripura, winning a two-third majority with its ally, the IPFT. Watch: Statue of Vladimir Lenin brought down in Tripuralast_img read more

Semerad’s girlfriend, Rosario’s wife get in shouting match

first_imgLacson: SEA Games fund put in foundation like ‘Napoles case’ It has been a testy PBA Commissioner’s Cup Finals series and the tension has escalated to the sidelines with the wives and girlfriends of both San Miguel and TNT side also getting into the action.Eyewitness accounts said that David Semerad’s fiancee Gwen Ruais and Troy Rosario’s wife Mich Rosario engaged in a shouting match after the Beermen’s 111-102 victory in Game 5 Friday at Smart Araneta Coliseum. ADVERTISEMENT LATEST STORIES Don’t miss out on the latest news and information. Another vape smoker nabbed in Lucena View comments Pagasa: Kammuri now a typhoon, may enter PAR by weekend The parties were seated at the patron section of the venue while waiting for the players to come out from the dugout.The Big Dome’s security men were spotted trying to pacify the warring sides before the players helped out in escorting their partners to the exit.FEATURED STORIESSPORTSSEA Games: Biñan football stadium stands out in preparedness, completionSPORTSPrivate companies step in to help SEA Games hostingSPORTSWin or don’t eat: the Philippines’ poverty-driven, world-beating pool starsIn a tweet on her personal account, Rosario explained her side, saying she was merely trying to pacify the situation.“I was trying to pacify the scene when she said to me, ‘Bye bye yaya!’ How can I calm down!!! I’m not the one who started this!!!” What ‘missteps’? ‘Excited’ Terrence Romeo out to cherish first PBA finals appearance PLAY LIST 01:30’Excited’ Terrence Romeo out to cherish first PBA finals appearance00:51Racela keeps faith in TNT import Joshua Smith00:50Trending Articles02:49Robredo: True leaders perform well despite having ‘uninspiring’ boss02:42PH underwater hockey team aims to make waves in SEA Games01:44Philippines marks anniversary of massacre with calls for justice01:19Fire erupts in Barangay Tatalon in Quezon City01:07Trump talks impeachment while meeting NCAA athletes02:49World-class track facilities installed at NCC for SEA Games Cayetano to unmask people behind ‘smear campaign’ vs him, SEA Games Pagasa: Kammuri now a typhoon, may enter PAR by weekend LOOK: Jane De Leon meets fellow ‘Darna’ Marian Rivera MOST READ Fajardo fine with sitting out 4th quarter as Beermen goes for speed China furious as Trump signs bills in support of Hong Kong Sports Related Videospowered by AdSparcRead Nextlast_img read more

Injured Gambhir may skip WI tour, likely to play against Mumbai

first_imgThe Indian skipper of the ODI team for the West Indies tour in June, Gautam Gambhir, has an injury in his right shoulder, sources confirmed on Wednesday. Gambhir underwent an MRI scan on his shoulder on Tuesday. Though the details of report were awaited, according to sources in his Indian Premier League (IPL) team Kolkata Knight Riders (KKR), he was fit to play the crucial eliminator against Mumbai Indians at Wankhede Stadium on Wednesday evening. The winners of the match would qualify for the Champions League and would also get a chance to make it to the IPL finals, while the losing side would be eliminated from the tournament. During the KKR’s last league match against Mumbai Indians at the Eden Gardens on May 22, Gambhir looked in pain after he threw the ball to the wicketkeeper in the 19th over. He was seen holding his shoulder in pain but stayed on the field till the end of the match. To recover, Gambhir might require a surgery, rehabilitation or just rest. Sources said that the injury was similar to that of his opening partner Virender Sehwag, who played the World Cup despite pain but was out of the IPL midway. If Gambhir misses out the ODI tour, vice captain Suresh Raina might lead India in the West Indies.last_img read more

Trail Blazers hold off Cavaliers’ rally for 123-110 win

first_imgThe Blazers, coming off road wins over playoff contenders Brooklyn and Philadelphia, seemed to be on their way to a comfortable win against the Cavaliers, who have the league’s third-worst record.Portland scored the game’s first 14 points and continued to pour it on in the second quarter. Cleveland rallied in the third, and Matthew Dellavedova’s 3-pointer with a second left cut the lead to 88-84.“We were saying how it didn’t feel like a double-digit loss,” Love said. “It just got away from us a little bit there at the end.”Cleveland appeared to tie the game early in the fourth, but Larry Nance Jr.’s 3-pointer was waved off after the Blazers were charged with a common foul on a screen set by Dellavedova.Seth Curry hit all five 3-point attempts and finished with 15 points for Portland, which is in fourth place in the Western Conference.TIP-INSTrail Blazers: McCollum had his jersey retired Sunday at Lehigh, where he starred in college. … Portland is 13-15 on the road. … F Evan Turner (left knee) missed his second game in a row.Cavaliers: Jordan Clarkson scored 19 points. … Rookie guard Collin Sexton scored 11 points. He was 3 of 14 from the field and had one assist. … Love was the only starter to score in the first quarter. He was 5 of 14 from the field for the game.LESSON LEARNEDThe Blazers weren’t pleased about letting the Cavaliers back into the game US judge bars Trump’s health insurance rule for immigrants “CJ carried us on the offensive end,” Lillard said. “We tried to just keep that rolling because it seemed like he was making every shot. When a scorer gets in that rhythm, it’s important not to cool him off.”Cleveland cut the lead to 88-84 going into the fourth and was behind 105-102 with 4:42 left, but Portland’s backcourt duo took over from there.Cleveland coach Larry Drew was asked about the pair before the game. His words turned out to be hauntingly accurate for the Cavaliers.“They can change a game,” he said. “They can make big shots. Either guy can have not a big night, but a huge night. They’re going to score. They’re just that good.”Cedi Osman scored 27 points for the Cavaliers, who were attempting to win three straight for the first time this season. Kevin Love, playing his fifth game since returning from foot surgery, had 18 points and 12 rebounds in 28 minutes.ADVERTISEMENT ‘We are too hospitable,’ says Sotto amid SEA Games woes “In the first half we tried to set the tone,” Lillard said. “In the second half we took for granted all of the things we were doing to get out front.”“Obviously the first half was fun to watch,” coach Terry Stotts said. “In the second half they played harder than us. But I like the way we finished.”NOT YETDrew said forward Tristan Thompson hasn’t been cleared to go through a full-court practice with contact and won’t return until he does.“If he passes that test he’ll be deemed ready to play,” Drew said. “That has to happen.”Thompson missed his 16th straight game with a sore left foot and has been out for a total of 26 games because of the injury.UP NEXTTrail Blazers: Visit Boston on Wednesday.Cavaliers: Visit New York on Thursday. MOST READ With Antetokounmpo sidelined, Bucks thump Bulls in another road win Cleveland Cavaliers’ Jordan Clarkson, top, drives between Portland Trail Blazers’ Jake Layman, back, and Portland Trail Blazers’ Rodney Hood, right, in the second half of an NBA basketball game, Monday, Feb. 25, 2019, in Cleveland. Portland won 123-110. (AP Photo/Tony Dejak)CLEVELAND — CJ McCollum and Damian Lillard made sure Portland didn’t turn an easy win into a crushing loss.McCollum scored 35 points, including 11 in the fourth quarter, and Lillard hit two crucial 3-pointers down the stretch as the Trail Blazers hung on to defeat the Cleveland Cavaliers 123-110 on Monday night.ADVERTISEMENT The Blazers led 71-48 at halftime, but needed a 14-0 run late in the fourth quarter to finally put away a game that looked like a rout in the first half.McCollum finished the night hitting 12 of 18 shots, including 7 of 8 3-pointers. Lillard scored eight of his 21 points in the final period.FEATURED STORIESSPORTSPrivate companies step in to help SEA Games hostingSPORTSUrgent reply from Philippine ‍football chiefSPORTSPalace wants Cayetano’s PHISGOC Foundation probed over corruption chargesMcCollum, a native of Canton, Ohio, played in front of a large contingent of family and friends.“I had about 60-100 people here,” he said. “They spent a lot of money on tickets and drove in for the game, so I figured I had to give them something tonight.” Sports Related Videospowered by AdSparcRead Next Urgent reply from Philippine ‍football chiefcenter_img Grace Poe files bill to protect govt teachers from malicious accusations Oil plant explodes in Pampanga town Don’t miss out on the latest news and information. Private companies step in to help SEA Games hosting PDEA chief backs Robredo in revealing ‘discoveries’ on drug war PH underwater hockey team aims to make waves in SEA Games PLAY LIST 02:42PH underwater hockey team aims to make waves in SEA Games01:44Philippines marks anniversary of massacre with calls for justice01:19Fire erupts in Barangay Tatalon in Quezon City01:07Trump talks impeachment while meeting NCAA athletes02:49World-class track facilities installed at NCC for SEA Games02:11Trump awards medals to Jon Voight, Alison Krauss SEA Games hosting troubles anger Duterte LATEST STORIES View commentslast_img read more

Claudio Ranieri soaked in champagne as Leicester City receive EPL trophy

first_imgWith an English Premier League winner’s medal around his neck, Claudio Ranieri was preparing to reflect on the emotions of Saturday’s trophy presentation ceremony away from the boisterous partying on the field.The first championship-winning players in Leicester’s 132-year history had other ideas.Goalkeeper Kasper Schmeichel gatecrashed the news conference with the trophy, accompanied by champagne-carrying defender Christian Fuchs.Soon Ranieri was being sprayed with the bubbly along with the front row of journalists – and laptops. Fuchs then emptied the bottle on Ranieri while embracing his manager.The party has officially started. #havingaparty pic.twitter.com/XEUVWAgB9W Leicester City (@LCFC) May 7, 2016There’s a lot you can get away with when you have just delivered a 64-year-old manager his first top flight title and helped to transform 5,000-1 long-shots into one of the most improbable champions in sports history.What an incredible moment! #lcfc #havingapartyhttps://t.co/WpG48tKXdJ Leicester City (@LCFC) May 7, 2016As he dried out, Ranieri was asked if the hijinks demonstrated the strong team spirit.”Yes,” Ranieri said. “Without respect!”Ranieri was full of respect for the team’s performance before receiving the trophy. The title was secured without playing on Monday after second-place Tottenham was held to a draw by Chelsea, but the Foxes were full of their usual vigor against Everton on Saturday, sweeping to a 3-1 victory.It was fitting the goals were provided by Jamie Vardy and Andy King.Vardy’s striking endeavors have powered Leicester to the title, and the striker took his season tally to 24 against Everton. The former non-league player was just five minutes into his return from a two-game suspension before turning in King’s cross.advertisementKing, the only member of the team who was in the third tier with Leicester in 2009, then slotted into the net in the 33rd minute after Professional Footballers’ Association player of the year Riyad Mahrez weaved his way through the hapless Everton defense.Vardy won and converted a penalty in the 65th but he missed out on a hat trick when he blazed another spot kick over the crossbar. The Leicester miracle doesn’t always go to script.”Nothing can spoil today,” said Vardy who scored in a Premier League record 11 consecutive games during the season. “It’s been a very long and hard process to get where I am today.”Not even Kevin Mirallas’ late consolation for Everton could dampen Leicester’s spirits before captain Wes Morgan collected the trophy.”I asked the players, ‘Show me now you are the champions, the stadium is full, all the world is behind you to watch how you play,'” Ranieri said. “Our strength was concentration.”Ranieri was serenaded before the match on the field by tenor Andrea Bocelli – one of hundreds of Italians who came to witness a party 132 years in the making masterminded by their compatriot.Teams still scrabbling for points to survive in the Premier League will be drawing inspiration from Leicester. The central England team was in their position in the closing stages of last season before staging an escape as stunning perhaps as this season’s title charge.last_img read more