Jones Group Inc. (NYSE: JNY) has ended discussions over selling its jeans-wear division, which is believed to be worth between $350 million and $400 million. Last year it had entered talks to sell the unit to Israel’s Delta Galil Industries Ltd.

Corbis, a Seattle-based digital media company, has acquired NMA Group, a Los Angeles-based brand marketing company. No financial terms were disclosed. www.corbisimages.com

Quest Diagnostics Inc. (NYSE: DGX) has acquired S.E.D. Medical Laboratories from Lovelace Health System for an undisclosed amount. S.E.D. is an Albuquerque, N.M.-based drugs-of-abuse testing laboratory with around 450 employees.

Supernus Pharmaceuticals Inc., a Rockville, Md.-based developer of CNS products, has raised $27 million through the sale of its TCD Royalty subsidiary (formed in 2004 to securitize royalties from two products). It also raised $15 million in venture debt. The company currently has been in registration since late 2010 for an IPO, and lists shareholders like New Enterprise Associates (44.8% pre-IPO stake), OrbiMed Advisors (17.9%) and Abingworth Management (17.9%). www.supernus.com

Vimpelcom, a Russia-based mobile telecom company, has agreed to sell a majority stake in its Algerian unit to the Algerian government. The deal remains dependent on price.

Avista Capital Partners has agreed to sell BioReliance, a Rockville, Md.–based provider of biopharma testing services, to Sigma-Aldrich Corp. (Nasdaq: SIAL) for $350 million in cash. The deal is expected to close later this quarter. www.bioreliance.com

CAI Private Equity has sold its majority stake in TurboCombustor Technology Inc., a maker of combustors and related “hot section” engine components for aerospace and industrial power generation applications. No financial terms were disclosed. No details yet on the buyer.

Citadel Capital has agreed to sell National Petroleum Company Eqypt (NPC Egypt) to Canada’s Sea Dragon Energy Inc. (TSX: SDX) for approximately $147.5 million. www.seadragonenergy.com

InfoSpace Inc. (Nasdaq: INSP) has agreed to acquire TaxACT, a Cedar Rapids, Iowa–based provider of online tax solutions, for $287.5 million in cash. Sellers would include TA Associates, which invested $85 million into TaxAct nearly seven years ago for a majority stake. www.taxact.com

United Biscuits, a British portfolio company of The Blackstone Group and PAI Partners, may be split into two units – snacks and biscuits – that could be sold separately, according to a Bloomberg interview with PAI chief executive Lionel Zinsou. www.paipartners.com

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