Editas Medicine, a Cambridge, Mass.-based genome editing startup co-founded by J. Keith Joung (director of molecular pathology at Mass General Hospital), has raised $43 million in Series A funding. Backers include Flagship Ventures, Polaris Partners, Third Rock Ventures and Partners Innovation Fund.

ARMO BioSciences Inc. has raised $20 million in Series A funding from firms like DAG Ventures, Kleiner Perkins Caufield & Byers and OrbiMed Advisors. ARMO is a Redwood City, Calif.-based developer of immunotherapies for the treatment of cancer, fibrosis, hypercholesterolemia, atherosclerosis and inflammatory diseases.

Sitari Pharmaceuticals, a San Diego-based developer of treatments for celiac disease, has raised $10 million in VC funding from Avalon Ventures and GlaxoSmithKline (LSE: GSK). This is the first company to receive funding via a previously-announced collaboration between Avalon and GSK.

Livefyre, a San Francisco-based provider of social commenting and real-time applications, has acquired the assets and team of Realtidbits, a San Diego-based provider of white-label enterprise social apps for the media market. No financial terms were disclosed. Livefyre has raised around $20 million in VC funding, from U.S. Venture Partners, Greycroft Partners, Cue Ball, HillsVen Group and ff Venture Capital. www.livefyre.com

PRIVATE EQUITY DEALS

American Securities, BC Partners and Onex Corp. have reached the second round of bidding for Ikaria Inc., a Hampton, N.J.-based maker of equipment for critically ill patients, according to Reuters. The company could garner more than $2 billion, with Morgan Stanley and Credit Suisse managing the process. Ikaria shareholders include New Mountain Capital, ARCH Venture Partners, 5AM Ventures, WRF Capital and Venrock. www.ikaria.com

Aurora Capital Group has completed its previously-announced take-private acquisition of National Technical Systems Inc., a Calabasas, Calif.-based provider of testing and engineering services. The deal was valued at approximately $267 million, or $23 per share (38.7% premium to price prior to deal announcement). www.nts.com

Bis Industries, an Australian mining logistics company owned by KKR, has acquired Powertrans, an Australian industrial transport business, for A$30 million. www.bislimited.com

CVC Capital Partners and Pamplona remain in the bidding for Parex, the industrial mortars unit of French construction company Materis, according to Reuters. The deal could be valued at around €1 billion. Materis is owned by Wendel (Paris: MF). www.parex-group.com

EQT Partners has agreed to acquire the well intervention services business of Aker Solutions (Oslo: ASKO) for approximately $660 million. www.eqt.se

Fireman Capital Partners has acquired a majority stake in Skip Hop Inc., a New York–based lifestyle brand serving the infant and toddler industry. No financial terms were disclosed.www.skiphop.com

Risk Capital Partners has agreed to acquire Neilson Active Holidays Ltd., a UK-based vacation organizer, from Thomas Cook Group (LSE: TCG). No financial terms were disclosed for the deal, which is expected to close next month. www.neilson.co.uk

Sycamore Partners is in “advanced talks” to acquire New York-based apparel retailer Jones Group Inc. (NYSE: JNY), according to Reuters. The deal likely would be for less than $16 per share.www.jonesgroupinc.com

IPOs

500.com, an online sports lottery service provider in China, raised $75 million in its IPO. The company priced 5.8 million American depository shares at $13 per share (high end of $11-$13 range), while existing shareholder Sequoia Capital also is investing an additional $15 million via a private placement at the IPO price. 500.com will trade on the NYSE under ticker symbol WBAI, while Deutsche Bank Securities served as lead underwriter. The company reports $3.4 million of net income on $26.7 million in revenue for the first half of 2013. www.500.com

Fiat SpA said today that its planned IPO for Chrysler will not occur in 2013, despite earlier statements that such timing was possible. Moreover, Fiat said that while it is working toward a 2014 float for Chrysler, such a decision will depend on “market conditions and other relevant considerations.”

GFI Software, a Luxembourg-based provider of network security, content security and messaging software, has withdrawn registration for a $100 million IPO (originally filed last November). No explanation was provided. The company had planned to trade on the NYSE, with J.P. Morgan, Credit Suisse and Jefferies serving as lead underwriters. Shareholders include Insight Venture Partners(74.04% stake) and Bessemer Venture Partners (12.18%). www.gfi.com

Sungy Mobile, a China-based provider of mobile app and platform development solutions, raised $79 million in its IPO. The company priced 7 million American depository shares at $11.22 per share (within $9.50-$11.50 range), and will trade on the Nasdaq under ticker symbol GOMO. Credit Suisse and J.P. Morgan served as lead underwriters. The company reports $5.4 million of net income on nearly $23 million in revenue for the first half of 2013. Shareholders include IDG Ventures (28.7% pre-IPO stake), WI Harper (9.7%) and Jafco Asia Technology Fund (9.6%). www.sungymobile.com

M&A

Apache Corp. (NYSE: APA) is in talks to sell its Argentina assets to state-controlled energy company YPF, according to Reuters. Houston-based Apache has stakes in around 25 Argentina oil and gas fields, and is in the process of selling around $4 billion in assets. www.apachecorp.com

Carlson Holdings said that it has retained Piper Jaffray to explore strategic alternatives, including the possible sale of its T.G.I. Fridays restaurant chain. www.carlson.com

Dentsply International Inc. (Nasdaq: XRAY) has acquired QAHR, a Hong Kong-based direct dental selling organization. Dentsply also has agreed to acquire certain assets of Triodent, a New Zealand-based manufacturer of a line of professional dental consumables used in restorative dentistry. No financial terms were disclosed for either deal, except that they represent aggregate revenue of around $30 million. www.dentsply.com

Pfizer Ltd., the Indian unit of Pfizer Inc. (NYSE: PFE), has agreed to acquire the shares it does not already own in the listed Indian unit of Wyeth Ltd. Under terms of the agreement, Wyeth shareholders would receive 0.7 Pfizer Ltd. shares per Wyeth Ltd. shares they hold, requiring new issuance of approximately 15.9 million new Wyeth Ltd. shares. www.wyethindia.com

The Carlyle Group is seeking buyers for its 67% stake in Taiwanese broadcaster Eastern Broadcasting Co., according to Bloomberg. The deal could be worth upwards of $700 million. One likely suitor is Eastern Media International Corp. (Taiwan: 2416), which holds a 21% stake in Eastern Broadcasting. www.carlyle.com

Shore Capital Partners has sold SCP Specialty Infusion, a Chicago–based provider of home infusion therapy, to Harvest Partners portfolio company AxelaCare Health Solutions. No financial terms were disclosed. www.axelacare.com

Orange SA (Paris: ORA) is in advanced talks to sell its Dominican Republic business to Altice for more than €1 billion, according to Bloomberg. www.orange.com

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